Home / 108,915,791.66-163,408,224-38,884,517.90

Finding the Fourth Proportional to 108,915,791.66, 163,408,224 and 38,884,517.90

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Solution

The fourth proportional to 108,915,791.66, 163,408,224 and 38,884,517.90 is: 58,339,106.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,915,791.66 : 163,408,224 = 38,884,517.90 : x
  2. Step 2: Convert to fraction form
    108,915,791.66/163,408,224 = 38,884,517.90/x
  3. Step 3: Cross multiply
    108,915,791.66x = 163,408,224 × 38,884,517.90
  4. Step 4: Simplify right side
    108,915,791.66x = 6,354,050,010,318,169
  5. Step 5: Solve for x
    x = 6,354,050,010,318,169/108,915,791.66
  6. Step 6: Final answer
    x = 58,339,106.88

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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.