Home / 87,641,855.25-120,949,321.41-48,482,956.86

Finding the Fourth Proportional to 87,641,855.25, 120,949,321.41 and 48,482,956.86

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Solution

The fourth proportional to 87,641,855.25, 120,949,321.41 and 48,482,956.86 is: 66,908,450.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,641,855.25 : 120,949,321.41 = 48,482,956.86 : x
  2. Step 2: Convert to fraction form
    87,641,855.25/120,949,321.41 = 48,482,956.86/x
  3. Step 3: Cross multiply
    87,641,855.25x = 120,949,321.41 × 48,482,956.86
  4. Step 4: Simplify right side
    87,641,855.25x = 5,863,980,732,167,304
  5. Step 5: Solve for x
    x = 5,863,980,732,167,304/87,641,855.25
  6. Step 6: Final answer
    x = 66,908,450.48

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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.