Home / 108,469,808.55-162,706,037.18-31,794,387.21

Finding the Fourth Proportional to 108,469,808.55, 162,706,037.18 and 31,794,387.21

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Solution

The fourth proportional to 108,469,808.55, 162,706,037.18 and 31,794,387.21 is: 47,691,969.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,469,808.55 : 162,706,037.18 = 31,794,387.21 : x
  2. Step 2: Convert to fraction form
    108,469,808.55/162,706,037.18 = 31,794,387.21/x
  3. Step 3: Cross multiply
    108,469,808.55x = 162,706,037.18 × 31,794,387.21
  4. Step 4: Simplify right side
    108,469,808.55x = 5,173,138,747,346,605
  5. Step 5: Solve for x
    x = 5,173,138,747,346,605/108,469,808.55
  6. Step 6: Final answer
    x = 47,691,969.01

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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.