Home / 252,352,826.20-378,529,239.30-137,561,570.20

Finding the Fourth Proportional to 252,352,826.20, 378,529,239.30 and 137,561,570.20

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Solution

The fourth proportional to 252,352,826.20, 378,529,239.30 and 137,561,570.20 is: 206,342,355.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,352,826.20 : 378,529,239.30 = 137,561,570.20 : x
  2. Step 2: Convert to fraction form
    252,352,826.20/378,529,239.30 = 137,561,570.20/x
  3. Step 3: Cross multiply
    252,352,826.20x = 378,529,239.30 × 137,561,570.20
  4. Step 4: Simplify right side
    252,352,826.20x = 52,071,076,524,719,544
  5. Step 5: Solve for x
    x = 52,071,076,524,719,544/252,352,826.20
  6. Step 6: Final answer
    x = 206,342,355.30

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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.