Home / 113,188,414.81-156,189,705.72-65,495,425.56

Finding the Fourth Proportional to 113,188,414.81, 156,189,705.72 and 65,495,425.56

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Solution

The fourth proportional to 113,188,414.81, 156,189,705.72 and 65,495,425.56 is: 90,377,723.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,188,414.81 : 156,189,705.72 = 65,495,425.56 : x
  2. Step 2: Convert to fraction form
    113,188,414.81/156,189,705.72 = 65,495,425.56/x
  3. Step 3: Cross multiply
    113,188,414.81x = 156,189,705.72 × 65,495,425.56
  4. Step 4: Simplify right side
    113,188,414.81x = 10,229,711,244,222,566
  5. Step 5: Solve for x
    x = 10,229,711,244,222,566/113,188,414.81
  6. Step 6: Final answer
    x = 90,377,723.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.