Problem
\( 128 \pi=\frac{1}{3} \pi x^{2}(24) \)
Solution
Step 1 ：\( 128 \pi = \frac{1}{3} \pi x^{2} (24) \)
Step 2 ：\( 128 = \frac{1}{3} x^{2} (24) \)
Step 3 ：\( x^{2} = \frac{128 \times 3}{24} = 16 \)
Step 4 ：\( x = \sqrt{16} = 4 \)
