Home / 87,954,590.92-121,378,940.28-48,264,169.24

Finding the Fourth Proportional to 87,954,590.92, 121,378,940.28 and 48,264,169.24

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Solution

The fourth proportional to 87,954,590.92, 121,378,940.28 and 48,264,169.24 is: 66,605,434.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,954,590.92 : 121,378,940.28 = 48,264,169.24 : x
  2. Step 2: Convert to fraction form
    87,954,590.92/121,378,940.28 = 48,264,169.24/x
  3. Step 3: Cross multiply
    87,954,590.92x = 121,378,940.28 × 48,264,169.24
  4. Step 4: Simplify right side
    87,954,590.92x = 5,858,253,715,845,773
  5. Step 5: Solve for x
    x = 5,858,253,715,845,773/87,954,590.92
  6. Step 6: Final answer
    x = 66,605,434.17

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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.