Home / 68,131,034.49-94,021,819.13-38,761,734.95

Finding the Fourth Proportional to 68,131,034.49, 94,021,819.13 and 38,761,734.95

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Solution

The fourth proportional to 68,131,034.49, 94,021,819.13 and 38,761,734.95 is: 53,491,758.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,131,034.49 : 94,021,819.13 = 38,761,734.95 : x
  2. Step 2: Convert to fraction form
    68,131,034.49/94,021,819.13 = 38,761,734.95/x
  3. Step 3: Cross multiply
    68,131,034.49x = 94,021,819.13 × 38,761,734.95
  4. Step 4: Simplify right side
    68,131,034.49x = 3,644,448,832,613,276
  5. Step 5: Solve for x
    x = 3,644,448,832,613,276/68,131,034.49
  6. Step 6: Final answer
    x = 53,491,758.34

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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.