Home / 218,774,775.30-327,956,876.55-82,551,696.90

Finding the Fourth Proportional to 218,774,775.30, 327,956,876.55 and 82,551,696.90

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Solution

The fourth proportional to 218,774,775.30, 327,956,876.55 and 82,551,696.90 is: 123,750,083.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,774,775.30 : 327,956,876.55 = 82,551,696.90 : x
  2. Step 2: Convert to fraction form
    218,774,775.30/327,956,876.55 = 82,551,696.90/x
  3. Step 3: Cross multiply
    218,774,775.30x = 327,956,876.55 × 82,551,696.90
  4. Step 4: Simplify right side
    218,774,775.30x = 27,073,396,669,226,320
  5. Step 5: Solve for x
    x = 27,073,396,669,226,320/218,774,775.30
  6. Step 6: Final answer
    x = 123,750,083.31

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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.