Finding the Fourth Proportional to 279,132,437.84, 418,761,103.84 and 85,059,042
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Solution
The fourth proportional to 279,132,437.84, 418,761,103.84 and 85,059,042 is: 127,607,592.28
Step by Step Solution
- Step 1: Write the proportion equation
279,132,437.84 : 418,761,103.84 = 85,059,042 : x - Step 2: Convert to fraction form
279,132,437.84/418,761,103.84 = 85,059,042/x - Step 3: Cross multiply
279,132,437.84x = 418,761,103.84 × 85,059,042 - Step 4: Simplify right side
279,132,437.84x = 35,619,418,319,492,920 - Step 5: Solve for x
x = 35,619,418,319,492,920/279,132,437.84 - Step 6: Final answer
x = 127,607,592.28
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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.