Home / 87,142,759.70-130,714,139.55-41,793,127.70

Finding the Fourth Proportional to 87,142,759.70, 130,714,139.55 and 41,793,127.70

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Solution

The fourth proportional to 87,142,759.70, 130,714,139.55 and 41,793,127.70 is: 62,689,691.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,142,759.70 : 130,714,139.55 = 41,793,127.70 : x
  2. Step 2: Convert to fraction form
    87,142,759.70/130,714,139.55 = 41,793,127.70/x
  3. Step 3: Cross multiply
    87,142,759.70x = 130,714,139.55 × 41,793,127.70
  4. Step 4: Simplify right side
    87,142,759.70x = 5,462,952,726,408,771
  5. Step 5: Solve for x
    x = 5,462,952,726,408,771/87,142,759.70
  6. Step 6: Final answer
    x = 62,689,691.55

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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.