Home / 87,614,793.96-120,945,644.20-54,591,359.13

Finding the Fourth Proportional to 87,614,793.96, 120,945,644.20 and 54,591,359.13

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Solution

The fourth proportional to 87,614,793.96, 120,945,644.20 and 54,591,359.13 is: 75,359,272.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,614,793.96 : 120,945,644.20 = 54,591,359.13 : x
  2. Step 2: Convert to fraction form
    87,614,793.96/120,945,644.20 = 54,591,359.13/x
  3. Step 3: Cross multiply
    87,614,793.96x = 120,945,644.20 × 54,591,359.13
  4. Step 4: Simplify right side
    87,614,793.96x = 6,602,587,097,799,641
  5. Step 5: Solve for x
    x = 6,602,587,097,799,641/87,614,793.96
  6. Step 6: Final answer
    x = 75,359,272.10

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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.