Home / 123,781,704.38-170,822,847.50-68,029,100.97

Finding the Fourth Proportional to 123,781,704.38, 170,822,847.50 and 68,029,100.97

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Solution

The fourth proportional to 123,781,704.38, 170,822,847.50 and 68,029,100.97 is: 93,882,410.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,781,704.38 : 170,822,847.50 = 68,029,100.97 : x
  2. Step 2: Convert to fraction form
    123,781,704.38/170,822,847.50 = 68,029,100.97/x
  3. Step 3: Cross multiply
    123,781,704.38x = 170,822,847.50 × 68,029,100.97
  4. Step 4: Simplify right side
    123,781,704.38x = 11,620,924,740,220,266
  5. Step 5: Solve for x
    x = 11,620,924,740,220,266/123,781,704.38
  6. Step 6: Final answer
    x = 93,882,410.16

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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.