Home / 108,276,167.70-162,414,251.55-82,766,999.70

Finding the Fourth Proportional to 108,276,167.70, 162,414,251.55 and 82,766,999.70

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Solution

The fourth proportional to 108,276,167.70, 162,414,251.55 and 82,766,999.70 is: 124,150,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,276,167.70 : 162,414,251.55 = 82,766,999.70 : x
  2. Step 2: Convert to fraction form
    108,276,167.70/162,414,251.55 = 82,766,999.70/x
  3. Step 3: Cross multiply
    108,276,167.70x = 162,414,251.55 × 82,766,999.70
  4. Step 4: Simplify right side
    108,276,167.70x = 13,442,540,309,314,576
  5. Step 5: Solve for x
    x = 13,442,540,309,314,576/108,276,167.70
  6. Step 6: Final answer
    x = 124,150,499.55

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Similar ratio
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1.5x scale

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.