Home / 80,643,974.10-120,797,999.55-80,643,974.10

Finding the Fourth Proportional to 80,643,974.10, 120,797,999.55 and 80,643,974.10

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Solution

The fourth proportional to 80,643,974.10, 120,797,999.55 and 80,643,974.10 is: 120,797,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,643,974.10 : 120,797,999.55 = 80,643,974.10 : x
  2. Step 2: Convert to fraction form
    80,643,974.10/120,797,999.55 = 80,643,974.10/x
  3. Step 3: Cross multiply
    80,643,974.10x = 120,797,999.55 × 80,643,974.10
  4. Step 4: Simplify right side
    80,643,974.10x = 9,741,630,747,042,010
  5. Step 5: Solve for x
    x = 9,741,630,747,042,010/80,643,974.10
  6. Step 6: Final answer
    x = 120,797,999.55

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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.