Home / 124,399,371.53-171,674,781.21-67,887,766.31

Finding the Fourth Proportional to 124,399,371.53, 171,674,781.21 and 67,887,766.31

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Solution

The fourth proportional to 124,399,371.53, 171,674,781.21 and 67,887,766.31 is: 93,687,108.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,399,371.53 : 171,674,781.21 = 67,887,766.31 : x
  2. Step 2: Convert to fraction form
    124,399,371.53/171,674,781.21 = 67,887,766.31/x
  3. Step 3: Cross multiply
    124,399,371.53x = 171,674,781.21 × 67,887,766.31
  4. Step 4: Simplify right side
    124,399,371.53x = 11,654,617,427,246,486
  5. Step 5: Solve for x
    x = 11,654,617,427,246,486/124,399,371.53
  6. Step 6: Final answer
    x = 93,687,108.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.