Home / 124,647,422.57-172,022,344.14-68,891,644.83

Finding the Fourth Proportional to 124,647,422.57, 172,022,344.14 and 68,891,644.83

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Solution

The fourth proportional to 124,647,422.57, 172,022,344.14 and 68,891,644.83 is: 95,075,389.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,647,422.57 : 172,022,344.14 = 68,891,644.83 : x
  2. Step 2: Convert to fraction form
    124,647,422.57/172,022,344.14 = 68,891,644.83/x
  3. Step 3: Cross multiply
    124,647,422.57x = 172,022,344.14 × 68,891,644.83
  4. Step 4: Simplify right side
    124,647,422.57x = 11,850,902,236,220,340
  5. Step 5: Solve for x
    x = 11,850,902,236,220,340/124,647,422.57
  6. Step 6: Final answer
    x = 95,075,389.38

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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.