Home / 69,115,930.41-103,679,849.12-17,998,042.17

Finding the Fourth Proportional to 69,115,930.41, 103,679,849.12 and 17,998,042.17

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Solution

The fourth proportional to 69,115,930.41, 103,679,849.12 and 17,998,042.17 is: 26,998,613.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,115,930.41 : 103,679,849.12 = 17,998,042.17 : x
  2. Step 2: Convert to fraction form
    69,115,930.41/103,679,849.12 = 17,998,042.17/x
  3. Step 3: Cross multiply
    69,115,930.41x = 103,679,849.12 × 17,998,042.17
  4. Step 4: Simplify right side
    69,115,930.41x = 1,866,034,296,640,997.75
  5. Step 5: Solve for x
    x = 1,866,034,296,640,997.75/69,115,930.41
  6. Step 6: Final answer
    x = 26,998,613.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.