Equality between wives

I already have a wife and I did a second nikaah about two months ago. She is in another country and her visa is under process. Only nikaah has been done and we are yet to start living together. (1) According to shariah, am I supposed to maintain equality in financial terms between the two wives even though the second one is yet to live with me? (2) If I purchase something for my first wife, am I supposed to purchase it for the other one also while she is not living with me? (3) If I give some cash to my first wife, am I supposed to give exactly the same amount to the second one also despite the fact that she is not living with me?