Home / 217,040,673.90-325,561,010.85-55,474,056.30

Finding the Fourth Proportional to 217,040,673.90, 325,561,010.85 and 55,474,056.30

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Solution

The fourth proportional to 217,040,673.90, 325,561,010.85 and 55,474,056.30 is: 83,211,084.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,040,673.90 : 325,561,010.85 = 55,474,056.30 : x
  2. Step 2: Convert to fraction form
    217,040,673.90/325,561,010.85 = 55,474,056.30/x
  3. Step 3: Cross multiply
    217,040,673.90x = 325,561,010.85 × 55,474,056.30
  4. Step 4: Simplify right side
    217,040,673.90x = 18,060,189,844,977,812
  5. Step 5: Solve for x
    x = 18,060,189,844,977,812/217,040,673.90
  6. Step 6: Final answer
    x = 83,211,084.45

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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.