Home / 78,976,305.78-108,992,821.96-44,172,212.82

Finding the Fourth Proportional to 78,976,305.78, 108,992,821.96 and 44,172,212.82

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Solution

The fourth proportional to 78,976,305.78, 108,992,821.96 and 44,172,212.82 is: 60,960,741.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,976,305.78 : 108,992,821.96 = 44,172,212.82 : x
  2. Step 2: Convert to fraction form
    78,976,305.78/108,992,821.96 = 44,172,212.82/x
  3. Step 3: Cross multiply
    78,976,305.78x = 108,992,821.96 × 44,172,212.82
  4. Step 4: Simplify right side
    78,976,305.78x = 4,814,454,127,469,489
  5. Step 5: Solve for x
    x = 4,814,454,127,469,489/78,976,305.78
  6. Step 6: Final answer
    x = 60,960,741.07

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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.