Home / 252,664,246.70-378,996,370.05-154,453,949.90

Finding the Fourth Proportional to 252,664,246.70, 378,996,370.05 and 154,453,949.90

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Solution

The fourth proportional to 252,664,246.70, 378,996,370.05 and 154,453,949.90 is: 231,680,924.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,664,246.70 : 378,996,370.05 = 154,453,949.90 : x
  2. Step 2: Convert to fraction form
    252,664,246.70/378,996,370.05 = 154,453,949.90/x
  3. Step 3: Cross multiply
    252,664,246.70x = 378,996,370.05 × 154,453,949.90
  4. Step 4: Simplify right side
    252,664,246.70x = 58,537,486,351,984,568
  5. Step 5: Solve for x
    x = 58,537,486,351,984,568/252,664,246.70
  6. Step 6: Final answer
    x = 231,680,924.85

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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.