Home / 31,169,113.20-43,013,250.72-17,418,073.68

Finding the Fourth Proportional to 31,169,113.20, 43,013,250.72 and 17,418,073.68

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Solution

The fourth proportional to 31,169,113.20, 43,013,250.72 and 17,418,073.68 is: 24,036,871.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,169,113.20 : 43,013,250.72 = 17,418,073.68 : x
  2. Step 2: Convert to fraction form
    31,169,113.20/43,013,250.72 = 17,418,073.68/x
  3. Step 3: Cross multiply
    31,169,113.20x = 43,013,250.72 × 17,418,073.68
  4. Step 4: Simplify right side
    31,169,113.20x = 749,207,970,257,273
  5. Step 5: Solve for x
    x = 749,207,970,257,273/31,169,113.20
  6. Step 6: Final answer
    x = 24,036,871.55

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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.