Home / 120,458,974.23-166,234,380.84-65,454,830.73

Finding the Fourth Proportional to 120,458,974.23, 166,234,380.84 and 65,454,830.73

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Solution

The fourth proportional to 120,458,974.23, 166,234,380.84 and 65,454,830.73 is: 90,328,207.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,458,974.23 : 166,234,380.84 = 65,454,830.73 : x
  2. Step 2: Convert to fraction form
    120,458,974.23/166,234,380.84 = 65,454,830.73/x
  3. Step 3: Cross multiply
    120,458,974.23x = 166,234,380.84 × 65,454,830.73
  4. Step 4: Simplify right side
    120,458,974.23x = 10,880,843,259,388,554
  5. Step 5: Solve for x
    x = 10,880,843,259,388,554/120,458,974.23
  6. Step 6: Final answer
    x = 90,328,207.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.