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Finding the Fourth Proportional to 171,073,129.80, 256,609,694.70 and 169,561,475.40

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Solution

The fourth proportional to 171,073,129.80, 256,609,694.70 and 169,561,475.40 is: 254,342,213.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,073,129.80 : 256,609,694.70 = 169,561,475.40 : x
  2. Step 2: Convert to fraction form
    171,073,129.80/256,609,694.70 = 169,561,475.40/x
  3. Step 3: Cross multiply
    171,073,129.80x = 256,609,694.70 × 169,561,475.40
  4. Step 4: Simplify right side
    171,073,129.80x = 43,511,118,435,275,560
  5. Step 5: Solve for x
    x = 43,511,118,435,275,560/171,073,129.80
  6. Step 6: Final answer
    x = 254,342,213.10

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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.