Home / 131,471,243.90-197,206,865.85-80,452,907.90

Finding the Fourth Proportional to 131,471,243.90, 197,206,865.85 and 80,452,907.90

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Solution

The fourth proportional to 131,471,243.90, 197,206,865.85 and 80,452,907.90 is: 120,679,361.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,471,243.90 : 197,206,865.85 = 80,452,907.90 : x
  2. Step 2: Convert to fraction form
    131,471,243.90/197,206,865.85 = 80,452,907.90/x
  3. Step 3: Cross multiply
    131,471,243.90x = 197,206,865.85 × 80,452,907.90
  4. Step 4: Simplify right side
    131,471,243.90x = 15,865,865,815,477,706
  5. Step 5: Solve for x
    x = 15,865,865,815,477,706/131,471,243.90
  6. Step 6: Final answer
    x = 120,679,361.85

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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.