Home / 68,982,191.39-103,431,609.65-27,489,450.84

Finding the Fourth Proportional to 68,982,191.39, 103,431,609.65 and 27,489,450.84

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Solution

The fourth proportional to 68,982,191.39, 103,431,609.65 and 27,489,450.84 is: 41,217,567.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,982,191.39 : 103,431,609.65 = 27,489,450.84 : x
  2. Step 2: Convert to fraction form
    68,982,191.39/103,431,609.65 = 27,489,450.84/x
  3. Step 3: Cross multiply
    68,982,191.39x = 103,431,609.65 × 27,489,450.84
  4. Step 4: Simplify right side
    68,982,191.39x = 2,843,278,148,456,600
  5. Step 5: Solve for x
    x = 2,843,278,148,456,600/68,982,191.39
  6. Step 6: Final answer
    x = 41,217,567.77

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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.