Home / 252,664,207.20-378,996,310.80-154,453,910.40

Finding the Fourth Proportional to 252,664,207.20, 378,996,310.80 and 154,453,910.40

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Solution

The fourth proportional to 252,664,207.20, 378,996,310.80 and 154,453,910.40 is: 231,680,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,664,207.20 : 378,996,310.80 = 154,453,910.40 : x
  2. Step 2: Convert to fraction form
    252,664,207.20/378,996,310.80 = 154,453,910.40/x
  3. Step 3: Cross multiply
    252,664,207.20x = 378,996,310.80 × 154,453,910.40
  4. Step 4: Simplify right side
    252,664,207.20x = 58,537,462,230,233,760
  5. Step 5: Solve for x
    x = 58,537,462,230,233,760/252,664,207.20
  6. Step 6: Final answer
    x = 231,680,865.60

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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.