Home / 218,081,010.90-327,121,516.35-156,859,007.70

Finding the Fourth Proportional to 218,081,010.90, 327,121,516.35 and 156,859,007.70

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Solution

The fourth proportional to 218,081,010.90, 327,121,516.35 and 156,859,007.70 is: 235,288,511.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,081,010.90 : 327,121,516.35 = 156,859,007.70 : x
  2. Step 2: Convert to fraction form
    218,081,010.90/327,121,516.35 = 156,859,007.70/x
  3. Step 3: Cross multiply
    218,081,010.90x = 327,121,516.35 × 156,859,007.70
  4. Step 4: Simplify right side
    218,081,010.90x = 51,311,956,451,980,328
  5. Step 5: Solve for x
    x = 51,311,956,451,980,328/218,081,010.90
  6. Step 6: Final answer
    x = 235,288,511.55

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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.