Problem with withdrawl dollars


I have in my wallet arround 20 numerais and 120 dollars.
When clicking towithdraw i asks me ether address.
I made an account on bittrex and made a numeraire wallet.
I withdrawed 2 numerais into the the numeraire address and transffered correct.
Hoewer when withdraw 3 dollars from numerai to bittrex numeraire address money lost .
Any sugggestion ?