Home / 80,557,278.20-120,552,482.10-73,754,833.40

Finding the Fourth Proportional to 80,557,278.20, 120,552,482.10 and 73,754,833.40

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Solution

The fourth proportional to 80,557,278.20, 120,552,482.10 and 73,754,833.40 is: 110,372,748.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,557,278.20 : 120,552,482.10 = 73,754,833.40 : x
  2. Step 2: Convert to fraction form
    80,557,278.20/120,552,482.10 = 73,754,833.40/x
  3. Step 3: Cross multiply
    80,557,278.20x = 120,552,482.10 × 73,754,833.40
  4. Step 4: Simplify right side
    80,557,278.20x = 8,891,328,233,241,982
  5. Step 5: Solve for x
    x = 8,891,328,233,241,982/80,557,278.20
  6. Step 6: Final answer
    x = 110,372,748.83

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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.