Home / 87,641,847-120,949,310.03-48,482,948.61

Finding the Fourth Proportional to 87,641,847, 120,949,310.03 and 48,482,948.61

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Solution

The fourth proportional to 87,641,847, 120,949,310.03 and 48,482,948.61 is: 66,908,439.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,641,847 : 120,949,310.03 = 48,482,948.61 : x
  2. Step 2: Convert to fraction form
    87,641,847/120,949,310.03 = 48,482,948.61/x
  3. Step 3: Cross multiply
    87,641,847x = 120,949,310.03 × 48,482,948.61
  4. Step 4: Simplify right side
    87,641,847x = 5,863,979,182,599,448
  5. Step 5: Solve for x
    x = 5,863,979,182,599,448/87,641,847
  6. Step 6: Final answer
    x = 66,908,439.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.