Home / 218,312,998.20-327,469,497.30-109,155,016.80

Finding the Fourth Proportional to 218,312,998.20, 327,469,497.30 and 109,155,016.80

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Solution

The fourth proportional to 218,312,998.20, 327,469,497.30 and 109,155,016.80 is: 163,732,525.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,312,998.20 : 327,469,497.30 = 109,155,016.80 : x
  2. Step 2: Convert to fraction form
    218,312,998.20/327,469,497.30 = 109,155,016.80/x
  3. Step 3: Cross multiply
    218,312,998.20x = 327,469,497.30 × 109,155,016.80
  4. Step 4: Simplify right side
    218,312,998.20x = 35,744,938,479,269,056
  5. Step 5: Solve for x
    x = 35,744,938,479,269,056/218,312,998.20
  6. Step 6: Final answer
    x = 163,732,525.20

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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.