Finding the Fourth Proportional to 66,434,463.20, 99,651,694.80 and 60,376,035.80
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Solution
The fourth proportional to 66,434,463.20, 99,651,694.80 and 60,376,035.80 is: 90,564,053.70
Step by Step Solution
- Step 1: Write the proportion equation
66,434,463.20 : 99,651,694.80 = 60,376,035.80 : x - Step 2: Convert to fraction form
66,434,463.20/99,651,694.80 = 60,376,035.80/x - Step 3: Cross multiply
66,434,463.20x = 99,651,694.80 × 60,376,035.80 - Step 4: Simplify right side
66,434,463.20x = 6,016,574,292,775,473 - Step 5: Solve for x
x = 6,016,574,292,775,473/66,434,463.20 - Step 6: Final answer
x = 90,564,053.70
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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.