Home / 78,895,586,836.08-118,384,067,406.24-36,976,711,183.92

Finding the Fourth Proportional to 78,895,586,836.08, 118,384,067,406.24 and 36,976,711,183.92

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Solution

The fourth proportional to 78,895,586,836.08, 118,384,067,406.24 and 36,976,711,183.92 is: 55,484,135,992.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,895,586,836.08 : 118,384,067,406.24 = 36,976,711,183.92 : x
  2. Step 2: Convert to fraction form
    78,895,586,836.08/118,384,067,406.24 = 36,976,711,183.92/x
  3. Step 3: Cross multiply
    78,895,586,836.08x = 118,384,067,406.24 × 36,976,711,183.92
  4. Step 4: Simplify right side
    78,895,586,836.08x = 4,377,453,469,258,253,598,720
  5. Step 5: Solve for x
    x = 4,377,453,469,258,253,598,720/78,895,586,836.08
  6. Step 6: Final answer
    x = 55,484,135,992.97

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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.