Home / 84,314,872.08-126,374,719.32-38,781,104.40

Finding the Fourth Proportional to 84,314,872.08, 126,374,719.32 and 38,781,104.40

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Solution

The fourth proportional to 84,314,872.08, 126,374,719.32 and 38,781,104.40 is: 58,126,770.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,314,872.08 : 126,374,719.32 = 38,781,104.40 : x
  2. Step 2: Convert to fraction form
    84,314,872.08/126,374,719.32 = 38,781,104.40/x
  3. Step 3: Cross multiply
    84,314,872.08x = 126,374,719.32 × 38,781,104.40
  4. Step 4: Simplify right side
    84,314,872.08x = 4,900,951,183,469,617
  5. Step 5: Solve for x
    x = 4,900,951,183,469,617/84,314,872.08
  6. Step 6: Final answer
    x = 58,126,770.08

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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.