Home / 269,040,810.20-403,561,215.30-74,982,176.60

Finding the Fourth Proportional to 269,040,810.20, 403,561,215.30 and 74,982,176.60

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Solution

The fourth proportional to 269,040,810.20, 403,561,215.30 and 74,982,176.60 is: 112,473,264.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,040,810.20 : 403,561,215.30 = 74,982,176.60 : x
  2. Step 2: Convert to fraction form
    269,040,810.20/403,561,215.30 = 74,982,176.60/x
  3. Step 3: Cross multiply
    269,040,810.20x = 403,561,215.30 × 74,982,176.60
  4. Step 4: Simplify right side
    269,040,810.20x = 30,259,898,314,535,220
  5. Step 5: Solve for x
    x = 30,259,898,314,535,220/269,040,810.20
  6. Step 6: Final answer
    x = 112,473,264.90

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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.