Home / 218,422,680.54-327,635,245.56-72,855,842.28

Finding the Fourth Proportional to 218,422,680.54, 327,635,245.56 and 72,855,842.28

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Solution

The fourth proportional to 218,422,680.54, 327,635,245.56 and 72,855,842.28 is: 109,284,171.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,422,680.54 : 327,635,245.56 = 72,855,842.28 : x
  2. Step 2: Convert to fraction form
    218,422,680.54/327,635,245.56 = 72,855,842.28/x
  3. Step 3: Cross multiply
    218,422,680.54x = 327,635,245.56 × 72,855,842.28
  4. Step 4: Simplify right side
    218,422,680.54x = 23,870,141,775,888,432
  5. Step 5: Solve for x
    x = 23,870,141,775,888,432/218,422,680.54
  6. Step 6: Final answer
    x = 109,284,171.94

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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.