Home / 87,498,844.20-131,185,280.70-49,172,106.60

Finding the Fourth Proportional to 87,498,844.20, 131,185,280.70 and 49,172,106.60

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Solution

The fourth proportional to 87,498,844.20, 131,185,280.70 and 49,172,106.60 is: 73,722,763.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,498,844.20 : 131,185,280.70 = 49,172,106.60 : x
  2. Step 2: Convert to fraction form
    87,498,844.20/131,185,280.70 = 49,172,106.60/x
  3. Step 3: Cross multiply
    87,498,844.20x = 131,185,280.70 × 49,172,106.60
  4. Step 4: Simplify right side
    87,498,844.20x = 6,450,656,606,931,323
  5. Step 5: Solve for x
    x = 6,450,656,606,931,323/87,498,844.20
  6. Step 6: Final answer
    x = 73,722,763.61

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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.