Home / 252,352,826.70-378,529,240.05-137,561,570.70

Finding the Fourth Proportional to 252,352,826.70, 378,529,240.05 and 137,561,570.70

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Solution

The fourth proportional to 252,352,826.70, 378,529,240.05 and 137,561,570.70 is: 206,342,356.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,352,826.70 : 378,529,240.05 = 137,561,570.70 : x
  2. Step 2: Convert to fraction form
    252,352,826.70/378,529,240.05 = 137,561,570.70/x
  3. Step 3: Cross multiply
    252,352,826.70x = 378,529,240.05 × 137,561,570.70
  4. Step 4: Simplify right side
    252,352,826.70x = 52,071,076,817,155,344
  5. Step 5: Solve for x
    x = 52,071,076,817,155,344/252,352,826.70
  6. Step 6: Final answer
    x = 206,342,356.05

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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.