Home / 68,912,229.72-95,100,905.55-37,974,391.90

Finding the Fourth Proportional to 68,912,229.72, 95,100,905.55 and 37,974,391.90

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Solution

The fourth proportional to 68,912,229.72, 95,100,905.55 and 37,974,391.90 is: 52,405,778.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,912,229.72 : 95,100,905.55 = 37,974,391.90 : x
  2. Step 2: Convert to fraction form
    68,912,229.72/95,100,905.55 = 37,974,391.90/x
  3. Step 3: Cross multiply
    68,912,229.72x = 95,100,905.55 × 37,974,391.90
  4. Step 4: Simplify right side
    68,912,229.72x = 3,611,399,057,400,585
  5. Step 5: Solve for x
    x = 3,611,399,057,400,585/68,912,229.72
  6. Step 6: Final answer
    x = 52,405,778.66

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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.