Home / 87,801,441.86-121,161,217.82-48,640,882.98

Finding the Fourth Proportional to 87,801,441.86, 121,161,217.82 and 48,640,882.98

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Solution

The fourth proportional to 87,801,441.86, 121,161,217.82 and 48,640,882.98 is: 67,121,774.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,801,441.86 : 121,161,217.82 = 48,640,882.98 : x
  2. Step 2: Convert to fraction form
    87,801,441.86/121,161,217.82 = 48,640,882.98/x
  3. Step 3: Cross multiply
    87,801,441.86x = 121,161,217.82 × 48,640,882.98
  4. Step 4: Simplify right side
    87,801,441.86x = 5,893,388,617,696,910
  5. Step 5: Solve for x
    x = 5,893,388,617,696,910/87,801,441.86
  6. Step 6: Final answer
    x = 67,121,774.91

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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.