Home / 108,524,892.80-162,787,339.20-65,478,171.80

Finding the Fourth Proportional to 108,524,892.80, 162,787,339.20 and 65,478,171.80

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Solution

The fourth proportional to 108,524,892.80, 162,787,339.20 and 65,478,171.80 is: 98,217,257.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,524,892.80 : 162,787,339.20 = 65,478,171.80 : x
  2. Step 2: Convert to fraction form
    108,524,892.80/162,787,339.20 = 65,478,171.80/x
  3. Step 3: Cross multiply
    108,524,892.80x = 162,787,339.20 × 65,478,171.80
  4. Step 4: Simplify right side
    108,524,892.80x = 10,659,017,363,002,474
  5. Step 5: Solve for x
    x = 10,659,017,363,002,474/108,524,892.80
  6. Step 6: Final answer
    x = 98,217,257.70

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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.