Finding the Fourth Proportional to 149,451,793.29, 206,242,902.13 and 83,372,238.92
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Solution
The fourth proportional to 149,451,793.29, 206,242,902.13 and 83,372,238.92 is: 115,053,370.28
Step by Step Solution
- Step 1: Write the proportion equation
149,451,793.29 : 206,242,902.13 = 83,372,238.92 : x - Step 2: Convert to fraction form
149,451,793.29/206,242,902.13 = 83,372,238.92/x - Step 3: Cross multiply
149,451,793.29x = 206,242,902.13 × 83,372,238.92 - Step 4: Simplify right side
149,451,793.29x = 17,194,932,511,936,536 - Step 5: Solve for x
x = 17,194,932,511,936,536/149,451,793.29 - Step 6: Final answer
x = 115,053,370.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.