Home / 89,711,607.97-123,801,999.92-48,458,500.75

Finding the Fourth Proportional to 89,711,607.97, 123,801,999.92 and 48,458,500.75

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Solution

The fourth proportional to 89,711,607.97, 123,801,999.92 and 48,458,500.75 is: 66,872,720.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,711,607.97 : 123,801,999.92 = 48,458,500.75 : x
  2. Step 2: Convert to fraction form
    89,711,607.97/123,801,999.92 = 48,458,500.75/x
  3. Step 3: Cross multiply
    89,711,607.97x = 123,801,999.92 × 48,458,500.75
  4. Step 4: Simplify right side
    89,711,607.97x = 5,999,259,305,974,820
  5. Step 5: Solve for x
    x = 5,999,259,305,974,820/89,711,607.97
  6. Step 6: Final answer
    x = 66,872,720.73

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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.