Home / 168,509,912.20-252,764,868.30-149,378,036.20

Finding the Fourth Proportional to 168,509,912.20, 252,764,868.30 and 149,378,036.20

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Solution

The fourth proportional to 168,509,912.20, 252,764,868.30 and 149,378,036.20 is: 224,067,054.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,509,912.20 : 252,764,868.30 = 149,378,036.20 : x
  2. Step 2: Convert to fraction form
    168,509,912.20/252,764,868.30 = 149,378,036.20/x
  3. Step 3: Cross multiply
    168,509,912.20x = 252,764,868.30 × 149,378,036.20
  4. Step 4: Simplify right side
    168,509,912.20x = 37,757,519,647,005,632
  5. Step 5: Solve for x
    x = 37,757,519,647,005,632/168,509,912.20
  6. Step 6: Final answer
    x = 224,067,054.30

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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.