Home / 87,912,344.27-131,880,642.77-51,041,598.42

Finding the Fourth Proportional to 87,912,344.27, 131,880,642.77 and 51,041,598.42

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Solution

The fourth proportional to 87,912,344.27, 131,880,642.77 and 51,041,598.42 is: 76,569,438.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,912,344.27 : 131,880,642.77 = 51,041,598.42 : x
  2. Step 2: Convert to fraction form
    87,912,344.27/131,880,642.77 = 51,041,598.42/x
  3. Step 3: Cross multiply
    87,912,344.27x = 131,880,642.77 × 51,041,598.42
  4. Step 4: Simplify right side
    87,912,344.27x = 6,731,398,807,972,609
  5. Step 5: Solve for x
    x = 6,731,398,807,972,609/87,912,344.27
  6. Step 6: Final answer
    x = 76,569,438.16

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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.