Home / 78,874,440.78-108,846,774.42-44,067,131.22

Finding the Fourth Proportional to 78,874,440.78, 108,846,774.42 and 44,067,131.22

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Solution

The fourth proportional to 78,874,440.78, 108,846,774.42 and 44,067,131.22 is: 60,812,666.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,874,440.78 : 108,846,774.42 = 44,067,131.22 : x
  2. Step 2: Convert to fraction form
    78,874,440.78/108,846,774.42 = 44,067,131.22/x
  3. Step 3: Cross multiply
    78,874,440.78x = 108,846,774.42 × 44,067,131.22
  4. Step 4: Simplify right side
    78,874,440.78x = 4,796,565,091,239,879
  5. Step 5: Solve for x
    x = 4,796,565,091,239,879/78,874,440.78
  6. Step 6: Final answer
    x = 60,812,666.86

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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.