Home / 158,227,166.78-218,298,845.13-99,494,301.26

Finding the Fourth Proportional to 158,227,166.78, 218,298,845.13 and 99,494,301.26

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Solution

The fourth proportional to 158,227,166.78, 218,298,845.13 and 99,494,301.26 is: 137,267,774.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,227,166.78 : 218,298,845.13 = 99,494,301.26 : x
  2. Step 2: Convert to fraction form
    158,227,166.78/218,298,845.13 = 99,494,301.26/x
  3. Step 3: Cross multiply
    158,227,166.78x = 218,298,845.13 × 99,494,301.26
  4. Step 4: Simplify right side
    158,227,166.78x = 21,719,491,062,074,304
  5. Step 5: Solve for x
    x = 21,719,491,062,074,304/158,227,166.78
  6. Step 6: Final answer
    x = 137,267,774.58

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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.