Home / 87,912,337.51-131,880,632.64-51,041,591.66

Finding the Fourth Proportional to 87,912,337.51, 131,880,632.64 and 51,041,591.66

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Solution

The fourth proportional to 87,912,337.51, 131,880,632.64 and 51,041,591.66 is: 76,569,428.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,912,337.51 : 131,880,632.64 = 51,041,591.66 : x
  2. Step 2: Convert to fraction form
    87,912,337.51/131,880,632.64 = 51,041,591.66/x
  3. Step 3: Cross multiply
    87,912,337.51x = 131,880,632.64 × 51,041,591.66
  4. Step 4: Simplify right side
    87,912,337.51x = 6,731,397,398,985,596
  5. Step 5: Solve for x
    x = 6,731,397,398,985,596/87,912,337.51
  6. Step 6: Final answer
    x = 76,569,428.02

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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.