Home / 54,471,309.76-75,168,145.15-29,690,951.41

Finding the Fourth Proportional to 54,471,309.76, 75,168,145.15 and 29,690,951.41

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Solution

The fourth proportional to 54,471,309.76, 75,168,145.15 and 29,690,951.41 is: 40,972,279.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,471,309.76 : 75,168,145.15 = 29,690,951.41 : x
  2. Step 2: Convert to fraction form
    54,471,309.76/75,168,145.15 = 29,690,951.41/x
  3. Step 3: Cross multiply
    54,471,309.76x = 75,168,145.15 × 29,690,951.41
  4. Step 4: Simplify right side
    54,471,309.76x = 2,231,813,745,228,477.25
  5. Step 5: Solve for x
    x = 2,231,813,745,228,477.25/54,471,309.76
  6. Step 6: Final answer
    x = 40,972,279.81

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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.