Home / 278,391,338.76-384,129,391.32-160,873,593.60

Finding the Fourth Proportional to 278,391,338.76, 384,129,391.32 and 160,873,593.60

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Solution

The fourth proportional to 278,391,338.76, 384,129,391.32 and 160,873,593.60 is: 221,976,286.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,391,338.76 : 384,129,391.32 = 160,873,593.60 : x
  2. Step 2: Convert to fraction form
    278,391,338.76/384,129,391.32 = 160,873,593.60/x
  3. Step 3: Cross multiply
    278,391,338.76x = 384,129,391.32 × 160,873,593.60
  4. Step 4: Simplify right side
    278,391,338.76x = 61,796,275,589,029,048
  5. Step 5: Solve for x
    x = 61,796,275,589,029,048/278,391,338.76
  6. Step 6: Final answer
    x = 221,976,286.56

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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.