Home / 215,317,468.30-322,976,202.45-100,313,635.90

Finding the Fourth Proportional to 215,317,468.30, 322,976,202.45 and 100,313,635.90

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Solution

The fourth proportional to 215,317,468.30, 322,976,202.45 and 100,313,635.90 is: 150,470,453.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,317,468.30 : 322,976,202.45 = 100,313,635.90 : x
  2. Step 2: Convert to fraction form
    215,317,468.30/322,976,202.45 = 100,313,635.90/x
  3. Step 3: Cross multiply
    215,317,468.30x = 322,976,202.45 × 100,313,635.90
  4. Step 4: Simplify right side
    215,317,468.30x = 32,398,917,176,933,988
  5. Step 5: Solve for x
    x = 32,398,917,176,933,988/215,317,468.30
  6. Step 6: Final answer
    x = 150,470,453.85

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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.