Home / 131,471,214.15-197,206,821.23-80,452,878.15

Finding the Fourth Proportional to 131,471,214.15, 197,206,821.23 and 80,452,878.15

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Solution

The fourth proportional to 131,471,214.15, 197,206,821.23 and 80,452,878.15 is: 120,679,317.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,471,214.15 : 197,206,821.23 = 80,452,878.15 : x
  2. Step 2: Convert to fraction form
    131,471,214.15/197,206,821.23 = 80,452,878.15/x
  3. Step 3: Cross multiply
    131,471,214.15x = 197,206,821.23 × 80,452,878.15
  4. Step 4: Simplify right side
    131,471,214.15x = 15,865,856,358,766,024
  5. Step 5: Solve for x
    x = 15,865,856,358,766,024/131,471,214.15
  6. Step 6: Final answer
    x = 120,679,317.23

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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.