Home / 69,984,078.10-104,976,117.15-68,850,337.30

Finding the Fourth Proportional to 69,984,078.10, 104,976,117.15 and 68,850,337.30

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Solution

The fourth proportional to 69,984,078.10, 104,976,117.15 and 68,850,337.30 is: 103,275,505.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,078.10 : 104,976,117.15 = 68,850,337.30 : x
  2. Step 2: Convert to fraction form
    69,984,078.10/104,976,117.15 = 68,850,337.30/x
  3. Step 3: Cross multiply
    69,984,078.10x = 104,976,117.15 × 68,850,337.30
  4. Step 4: Simplify right side
    69,984,078.10x = 7,227,641,074,221,815
  5. Step 5: Solve for x
    x = 7,227,641,074,221,815/69,984,078.10
  6. Step 6: Final answer
    x = 103,275,505.95

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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.