Finding the Fourth Proportional to 288,718,159.20, 432,904,285.44 and 91,896,557.28
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Solution
The fourth proportional to 288,718,159.20, 432,904,285.44 and 91,896,557.28 is: 137,789,786.32
Step by Step Solution
- Step 1: Write the proportion equation
288,718,159.20 : 432,904,285.44 = 91,896,557.28 : x - Step 2: Convert to fraction form
288,718,159.20/432,904,285.44 = 91,896,557.28/x - Step 3: Cross multiply
288,718,159.20x = 432,904,285.44 × 91,896,557.28 - Step 4: Simplify right side
288,718,159.20x = 39,782,413,463,694,432 - Step 5: Solve for x
x = 39,782,413,463,694,432/288,718,159.20 - Step 6: Final answer
x = 137,789,786.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.