Home / 131,991,570.20-198,010,974.90-55,322,348.60

Finding the Fourth Proportional to 131,991,570.20, 198,010,974.90 and 55,322,348.60

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Solution

The fourth proportional to 131,991,570.20, 198,010,974.90 and 55,322,348.60 is: 82,993,422.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,991,570.20 : 198,010,974.90 = 55,322,348.60 : x
  2. Step 2: Convert to fraction form
    131,991,570.20/198,010,974.90 = 55,322,348.60/x
  3. Step 3: Cross multiply
    131,991,570.20x = 198,010,974.90 × 55,322,348.60
  4. Step 4: Simplify right side
    131,991,570.20x = 10,954,432,180,043,650
  5. Step 5: Solve for x
    x = 10,954,432,180,043,650/131,991,570.20
  6. Step 6: Final answer
    x = 82,993,422.71

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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.