Home / 87,912,345.38-131,880,644.46-51,041,599.56

Finding the Fourth Proportional to 87,912,345.38, 131,880,644.46 and 51,041,599.56

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Solution

The fourth proportional to 87,912,345.38, 131,880,644.46 and 51,041,599.56 is: 76,569,439.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,912,345.38 : 131,880,644.46 = 51,041,599.56 : x
  2. Step 2: Convert to fraction form
    87,912,345.38/131,880,644.46 = 51,041,599.56/x
  3. Step 3: Cross multiply
    87,912,345.38x = 131,880,644.46 × 51,041,599.56
  4. Step 4: Simplify right side
    87,912,345.38x = 6,731,399,044,242,052
  5. Step 5: Solve for x
    x = 6,731,399,044,242,052/87,912,345.38
  6. Step 6: Final answer
    x = 76,569,439.88

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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.