Home / 87,716,605.43-121,050,342.39-48,023,469.11

Finding the Fourth Proportional to 87,716,605.43, 121,050,342.39 and 48,023,469.11

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Solution

The fourth proportional to 87,716,605.43, 121,050,342.39 and 48,023,469.11 is: 66,273,168.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,716,605.43 : 121,050,342.39 = 48,023,469.11 : x
  2. Step 2: Convert to fraction form
    87,716,605.43/121,050,342.39 = 48,023,469.11/x
  3. Step 3: Cross multiply
    87,716,605.43x = 121,050,342.39 × 48,023,469.11
  4. Step 4: Simplify right side
    87,716,605.43x = 5,813,257,377,915,836
  5. Step 5: Solve for x
    x = 5,813,257,377,915,836/87,716,605.43
  6. Step 6: Final answer
    x = 66,273,168.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.