Home / 87,912,342.39-131,880,639.96-51,041,596.55

Finding the Fourth Proportional to 87,912,342.39, 131,880,639.96 and 51,041,596.55

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Solution

The fourth proportional to 87,912,342.39, 131,880,639.96 and 51,041,596.55 is: 76,569,435.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,912,342.39 : 131,880,639.96 = 51,041,596.55 : x
  2. Step 2: Convert to fraction form
    87,912,342.39/131,880,639.96 = 51,041,596.55/x
  3. Step 3: Cross multiply
    87,912,342.39x = 131,880,639.96 × 51,041,596.55
  4. Step 4: Simplify right side
    87,912,342.39x = 6,731,398,416,934,725
  5. Step 5: Solve for x
    x = 6,731,398,416,934,725/87,912,342.39
  6. Step 6: Final answer
    x = 76,569,435.35

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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.