Finding the Fourth Proportional to 88,705,714.80, 133,058,572.20 and 87,511,321.20
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Solution
The fourth proportional to 88,705,714.80, 133,058,572.20 and 87,511,321.20 is: 131,266,981.80
Step by Step Solution
- Step 1: Write the proportion equation
88,705,714.80 : 133,058,572.20 = 87,511,321.20 : x - Step 2: Convert to fraction form
88,705,714.80/133,058,572.20 = 87,511,321.20/x - Step 3: Cross multiply
88,705,714.80x = 133,058,572.20 × 87,511,321.20 - Step 4: Simplify right side
88,705,714.80x = 11,644,131,450,207,592 - Step 5: Solve for x
x = 11,644,131,450,207,592/88,705,714.80 - Step 6: Final answer
x = 131,266,981.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.