$$13\frac{1}{3} : \frac{4}{27} = \frac{13 \cdot 3 + 1}{3} : \frac{4}{27} = \frac{40}{3} : \frac{4}{27} = \frac{40}{3} \cdot \frac{27}{4} = \frac{40 \cdot 27}{3 \cdot 4} = \frac{1080}{12} = 90$$
Ответ: 90