Home / 131,991,569.70-198,010,974.15-55,322,348.10

Finding the Fourth Proportional to 131,991,569.70, 198,010,974.15 and 55,322,348.10

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Solution

The fourth proportional to 131,991,569.70, 198,010,974.15 and 55,322,348.10 is: 82,993,421.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,991,569.70 : 198,010,974.15 = 55,322,348.10 : x
  2. Step 2: Convert to fraction form
    131,991,569.70/198,010,974.15 = 55,322,348.10/x
  3. Step 3: Cross multiply
    131,991,569.70x = 198,010,974.15 × 55,322,348.10
  4. Step 4: Simplify right side
    131,991,569.70x = 10,954,432,039,546,402
  5. Step 5: Solve for x
    x = 10,954,432,039,546,402/131,991,569.70
  6. Step 6: Final answer
    x = 82,993,421.96

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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.