Home / 87,912,343.39-131,880,641.46-51,041,597.55

Finding the Fourth Proportional to 87,912,343.39, 131,880,641.46 and 51,041,597.55

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Solution

The fourth proportional to 87,912,343.39, 131,880,641.46 and 51,041,597.55 is: 76,569,436.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,912,343.39 : 131,880,641.46 = 51,041,597.55 : x
  2. Step 2: Convert to fraction form
    87,912,343.39/131,880,641.46 = 51,041,597.55/x
  3. Step 3: Cross multiply
    87,912,343.39x = 131,880,641.46 × 51,041,597.55
  4. Step 4: Simplify right side
    87,912,343.39x = 6,731,398,626,037,164
  5. Step 5: Solve for x
    x = 6,731,398,626,037,164/87,912,343.39
  6. Step 6: Final answer
    x = 76,569,436.86

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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.