Home / 87,661,620.18-131,230,280.38-53,013,161.66

Finding the Fourth Proportional to 87,661,620.18, 131,230,280.38 and 53,013,161.66

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Solution

The fourth proportional to 87,661,620.18, 131,230,280.38 and 53,013,161.66 is: 79,361,207.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,661,620.18 : 131,230,280.38 = 53,013,161.66 : x
  2. Step 2: Convert to fraction form
    87,661,620.18/131,230,280.38 = 53,013,161.66/x
  3. Step 3: Cross multiply
    87,661,620.18x = 131,230,280.38 × 53,013,161.66
  4. Step 4: Simplify right side
    87,661,620.18x = 6,956,932,068,472,066
  5. Step 5: Solve for x
    x = 6,956,932,068,472,066/87,661,620.18
  6. Step 6: Final answer
    x = 79,361,207.95

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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.