Home / 218,538,005.80-327,799,427.10-54,777,195.40

Finding the Fourth Proportional to 218,538,005.80, 327,799,427.10 and 54,777,195.40

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Solution

The fourth proportional to 218,538,005.80, 327,799,427.10 and 54,777,195.40 is: 82,163,892.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,538,005.80 : 327,799,427.10 = 54,777,195.40 : x
  2. Step 2: Convert to fraction form
    218,538,005.80/327,799,427.10 = 54,777,195.40/x
  3. Step 3: Cross multiply
    218,538,005.80x = 327,799,427.10 × 54,777,195.40
  4. Step 4: Simplify right side
    218,538,005.80x = 17,955,933,270,264,756
  5. Step 5: Solve for x
    x = 17,955,933,270,264,756/218,538,005.80
  6. Step 6: Final answer
    x = 82,163,892.75

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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.