Home / 156,474,025.32-215,956,610.10-93,752,600.28

Finding the Fourth Proportional to 156,474,025.32, 215,956,610.10 and 93,752,600.28

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Solution

The fourth proportional to 156,474,025.32, 215,956,610.10 and 93,752,600.28 is: 129,392,042.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,474,025.32 : 215,956,610.10 = 93,752,600.28 : x
  2. Step 2: Convert to fraction form
    156,474,025.32/215,956,610.10 = 93,752,600.28/x
  3. Step 3: Cross multiply
    156,474,025.32x = 215,956,610.10 × 93,752,600.28
  4. Step 4: Simplify right side
    156,474,025.32x = 20,246,493,744,529,112
  5. Step 5: Solve for x
    x = 20,246,493,744,529,112/156,474,025.32
  6. Step 6: Final answer
    x = 129,392,042.57

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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.