Home / 218,223,509.21-327,378,385.97-80,050,399.24

Finding the Fourth Proportional to 218,223,509.21, 327,378,385.97 and 80,050,399.24

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Solution

The fourth proportional to 218,223,509.21, 327,378,385.97 and 80,050,399.24 is: 120,091,417.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,223,509.21 : 327,378,385.97 = 80,050,399.24 : x
  2. Step 2: Convert to fraction form
    218,223,509.21/327,378,385.97 = 80,050,399.24/x
  3. Step 3: Cross multiply
    218,223,509.21x = 327,378,385.97 × 80,050,399.24
  4. Step 4: Simplify right side
    218,223,509.21x = 26,206,770,499,445,316
  5. Step 5: Solve for x
    x = 26,206,770,499,445,316/218,223,509.21
  6. Step 6: Final answer
    x = 120,091,417.26

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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.