Finding the Fourth Proportional to 187,819,446.90, 281,729,170.35 and 115,260,035.70
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Solution
The fourth proportional to 187,819,446.90, 281,729,170.35 and 115,260,035.70 is: 172,890,053.55
Step by Step Solution
- Step 1: Write the proportion equation
187,819,446.90 : 281,729,170.35 = 115,260,035.70 : x - Step 2: Convert to fraction form
187,819,446.90/281,729,170.35 = 115,260,035.70/x - Step 3: Cross multiply
187,819,446.90x = 281,729,170.35 × 115,260,035.70 - Step 4: Simplify right side
187,819,446.90x = 32,472,114,232,272,384 - Step 5: Solve for x
x = 32,472,114,232,272,384/187,819,446.90 - Step 6: Final answer
x = 172,890,053.55
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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.