Finding the Fourth Proportional to 248,541,241.97, 372,850,169.91 and 84,740,691.57
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Solution
The fourth proportional to 248,541,241.97, 372,850,169.91 and 84,740,691.57 is: 127,124,098.20
Step by Step Solution
- Step 1: Write the proportion equation
248,541,241.97 : 372,850,169.91 = 84,740,691.57 : x - Step 2: Convert to fraction form
248,541,241.97/372,850,169.91 = 84,740,691.57/x - Step 3: Cross multiply
248,541,241.97x = 372,850,169.91 × 84,740,691.57 - Step 4: Simplify right side
248,541,241.97x = 31,595,581,250,165,404 - Step 5: Solve for x
x = 31,595,581,250,165,404/248,541,241.97 - Step 6: Final answer
x = 127,124,098.20
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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.