Home / 218,223,905.31-327,378,979.50-80,050,795.65

Finding the Fourth Proportional to 218,223,905.31, 327,378,979.50 and 80,050,795.65

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Solution

The fourth proportional to 218,223,905.31, 327,378,979.50 and 80,050,795.65 is: 120,092,011.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,223,905.31 : 327,378,979.50 = 80,050,795.65 : x
  2. Step 2: Convert to fraction form
    218,223,905.31/327,378,979.50 = 80,050,795.65/x
  3. Step 3: Cross multiply
    218,223,905.31x = 327,378,979.50 × 80,050,795.65
  4. Step 4: Simplify right side
    218,223,905.31x = 26,206,947,788,060,040
  5. Step 5: Solve for x
    x = 26,206,947,788,060,040/218,223,905.31
  6. Step 6: Final answer
    x = 120,092,011.69

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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.