Home / 87,720,282.93-131,656,007.16-60,812,834.61

Finding the Fourth Proportional to 87,720,282.93, 131,656,007.16 and 60,812,834.61

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Solution

The fourth proportional to 87,720,282.93, 131,656,007.16 and 60,812,834.61 is: 91,271,650.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,720,282.93 : 131,656,007.16 = 60,812,834.61 : x
  2. Step 2: Convert to fraction form
    87,720,282.93/131,656,007.16 = 60,812,834.61/x
  3. Step 3: Cross multiply
    87,720,282.93x = 131,656,007.16 × 60,812,834.61
  4. Step 4: Simplify right side
    87,720,282.93x = 8,006,374,988,834,056
  5. Step 5: Solve for x
    x = 8,006,374,988,834,056/87,720,282.93
  6. Step 6: Final answer
    x = 91,271,650.31

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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.