Home / 168,509,923.20-252,764,884.80-149,378,047.20

Finding the Fourth Proportional to 168,509,923.20, 252,764,884.80 and 149,378,047.20

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Solution

The fourth proportional to 168,509,923.20, 252,764,884.80 and 149,378,047.20 is: 224,067,070.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,509,923.20 : 252,764,884.80 = 149,378,047.20 : x
  2. Step 2: Convert to fraction form
    168,509,923.20/252,764,884.80 = 149,378,047.20/x
  3. Step 3: Cross multiply
    168,509,923.20x = 252,764,884.80 × 149,378,047.20
  4. Step 4: Simplify right side
    168,509,923.20x = 37,757,524,892,156,960
  5. Step 5: Solve for x
    x = 37,757,524,892,156,960/168,509,923.20
  6. Step 6: Final answer
    x = 224,067,070.80

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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.