Home / 87,498,841.20-131,185,276.20-49,172,103.60

Finding the Fourth Proportional to 87,498,841.20, 131,185,276.20 and 49,172,103.60

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Solution

The fourth proportional to 87,498,841.20, 131,185,276.20 and 49,172,103.60 is: 73,722,759.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,498,841.20 : 131,185,276.20 = 49,172,103.60 : x
  2. Step 2: Convert to fraction form
    87,498,841.20/131,185,276.20 = 49,172,103.60/x
  3. Step 3: Cross multiply
    87,498,841.20x = 131,185,276.20 × 49,172,103.60
  4. Step 4: Simplify right side
    87,498,841.20x = 6,450,655,992,101,015
  5. Step 5: Solve for x
    x = 6,450,655,992,101,015/87,498,841.20
  6. Step 6: Final answer
    x = 73,722,759.11

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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.