Home / 81,227,186.88-121,841,195.04-27,374,965.44

Finding the Fourth Proportional to 81,227,186.88, 121,841,195.04 and 27,374,965.44

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Solution

The fourth proportional to 81,227,186.88, 121,841,195.04 and 27,374,965.44 is: 41,062,587.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,227,186.88 : 121,841,195.04 = 27,374,965.44 : x
  2. Step 2: Convert to fraction form
    81,227,186.88/121,841,195.04 = 27,374,965.44/x
  3. Step 3: Cross multiply
    81,227,186.88x = 121,841,195.04 × 27,374,965.44
  4. Step 4: Simplify right side
    81,227,186.88x = 3,335,398,503,388,300
  5. Step 5: Solve for x
    x = 3,335,398,503,388,300/81,227,186.88
  6. Step 6: Final answer
    x = 41,062,587.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.