Home / 54,988,279.80-82,482,419.70-54,137,974.20

Finding the Fourth Proportional to 54,988,279.80, 82,482,419.70 and 54,137,974.20

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Solution

The fourth proportional to 54,988,279.80, 82,482,419.70 and 54,137,974.20 is: 81,206,961.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,988,279.80 : 82,482,419.70 = 54,137,974.20 : x
  2. Step 2: Convert to fraction form
    54,988,279.80/82,482,419.70 = 54,137,974.20/x
  3. Step 3: Cross multiply
    54,988,279.80x = 82,482,419.70 × 54,137,974.20
  4. Step 4: Simplify right side
    54,988,279.80x = 4,465,431,109,672,172
  5. Step 5: Solve for x
    x = 4,465,431,109,672,172/54,988,279.80
  6. Step 6: Final answer
    x = 81,206,961.30

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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.