Home / 219,846,919.20-329,770,378.80-76,239,751.20

Finding the Fourth Proportional to 219,846,919.20, 329,770,378.80 and 76,239,751.20

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Solution

The fourth proportional to 219,846,919.20, 329,770,378.80 and 76,239,751.20 is: 114,359,626.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,846,919.20 : 329,770,378.80 = 76,239,751.20 : x
  2. Step 2: Convert to fraction form
    219,846,919.20/329,770,378.80 = 76,239,751.20/x
  3. Step 3: Cross multiply
    219,846,919.20x = 329,770,378.80 × 76,239,751.20
  4. Step 4: Simplify right side
    219,846,919.20x = 25,141,611,632,841,756
  5. Step 5: Solve for x
    x = 25,141,611,632,841,756/219,846,919.20
  6. Step 6: Final answer
    x = 114,359,626.80

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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.