Home / 108,522,234.70-162,783,352.05-74,084,857.90

Finding the Fourth Proportional to 108,522,234.70, 162,783,352.05 and 74,084,857.90

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Solution

The fourth proportional to 108,522,234.70, 162,783,352.05 and 74,084,857.90 is: 111,127,286.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,522,234.70 : 162,783,352.05 = 74,084,857.90 : x
  2. Step 2: Convert to fraction form
    108,522,234.70/162,783,352.05 = 74,084,857.90/x
  3. Step 3: Cross multiply
    108,522,234.70x = 162,783,352.05 × 74,084,857.90
  4. Step 4: Simplify right side
    108,522,234.70x = 12,059,781,505,109,926
  5. Step 5: Solve for x
    x = 12,059,781,505,109,926/108,522,234.70
  6. Step 6: Final answer
    x = 111,127,286.85

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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.