Home / 218,223,905.30-327,378,979.52-80,050,795.64

Finding the Fourth Proportional to 218,223,905.30, 327,378,979.52 and 80,050,795.64

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Solution

The fourth proportional to 218,223,905.30, 327,378,979.52 and 80,050,795.64 is: 120,092,011.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,223,905.30 : 327,378,979.52 = 80,050,795.64 : x
  2. Step 2: Convert to fraction form
    218,223,905.30/327,378,979.52 = 80,050,795.64/x
  3. Step 3: Cross multiply
    218,223,905.30x = 327,378,979.52 × 80,050,795.64
  4. Step 4: Simplify right side
    218,223,905.30x = 26,206,947,784,350,116
  5. Step 5: Solve for x
    x = 26,206,947,784,350,116/218,223,905.30
  6. Step 6: Final answer
    x = 120,092,011.68

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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.