Home / 87,942,387.60-131,913,581.40-73,833,613.20

Finding the Fourth Proportional to 87,942,387.60, 131,913,581.40 and 73,833,613.20

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Solution

The fourth proportional to 87,942,387.60, 131,913,581.40 and 73,833,613.20 is: 110,750,419.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,942,387.60 : 131,913,581.40 = 73,833,613.20 : x
  2. Step 2: Convert to fraction form
    87,942,387.60/131,913,581.40 = 73,833,613.20/x
  3. Step 3: Cross multiply
    87,942,387.60x = 131,913,581.40 × 73,833,613.20
  4. Step 4: Simplify right side
    87,942,387.60x = 9,739,656,344,914,316
  5. Step 5: Solve for x
    x = 9,739,656,344,914,316/87,942,387.60
  6. Step 6: Final answer
    x = 110,750,419.80

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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.