Home / 297,219,729.20-445,451,680.20-143,534,865.20

Finding the Fourth Proportional to 297,219,729.20, 445,451,680.20 and 143,534,865.20

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Solution

The fourth proportional to 297,219,729.20, 445,451,680.20 and 143,534,865.20 is: 215,119,793.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,219,729.20 : 445,451,680.20 = 143,534,865.20 : x
  2. Step 2: Convert to fraction form
    297,219,729.20/445,451,680.20 = 143,534,865.20/x
  3. Step 3: Cross multiply
    297,219,729.20x = 445,451,680.20 × 143,534,865.20
  4. Step 4: Simplify right side
    297,219,729.20x = 63,937,846,870,620,504
  5. Step 5: Solve for x
    x = 63,937,846,870,620,504/297,219,729.20
  6. Step 6: Final answer
    x = 215,119,793.84

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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.