Home / 87,149,793.60-130,724,690.40-60,275,937.60

Finding the Fourth Proportional to 87,149,793.60, 130,724,690.40 and 60,275,937.60

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Solution

The fourth proportional to 87,149,793.60, 130,724,690.40 and 60,275,937.60 is: 90,413,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,149,793.60 : 130,724,690.40 = 60,275,937.60 : x
  2. Step 2: Convert to fraction form
    87,149,793.60/130,724,690.40 = 60,275,937.60/x
  3. Step 3: Cross multiply
    87,149,793.60x = 130,724,690.40 × 60,275,937.60
  4. Step 4: Simplify right side
    87,149,793.60x = 7,879,553,281,329,720
  5. Step 5: Solve for x
    x = 7,879,553,281,329,720/87,149,793.60
  6. Step 6: Final answer
    x = 90,413,906.40

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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.