Home / 106,025,189.40-158,944,472.10-71,835,672.60

Finding the Fourth Proportional to 106,025,189.40, 158,944,472.10 and 71,835,672.60

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Solution

The fourth proportional to 106,025,189.40, 158,944,472.10 and 71,835,672.60 is: 107,690,286.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,025,189.40 : 158,944,472.10 = 71,835,672.60 : x
  2. Step 2: Convert to fraction form
    106,025,189.40/158,944,472.10 = 71,835,672.60/x
  3. Step 3: Cross multiply
    106,025,189.40x = 158,944,472.10 × 71,835,672.60
  4. Step 4: Simplify right side
    106,025,189.40x = 11,417,883,059,355,434
  5. Step 5: Solve for x
    x = 11,417,883,059,355,434/106,025,189.40
  6. Step 6: Final answer
    x = 107,690,286.85

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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.