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Finding the Fourth Proportional to 168,502,257.60, 252,375,472.80 and 168,502,257.60

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Solution

The fourth proportional to 168,502,257.60, 252,375,472.80 and 168,502,257.60 is: 252,375,472.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,502,257.60 : 252,375,472.80 = 168,502,257.60 : x
  2. Step 2: Convert to fraction form
    168,502,257.60/252,375,472.80 = 168,502,257.60/x
  3. Step 3: Cross multiply
    168,502,257.60x = 252,375,472.80 × 168,502,257.60
  4. Step 4: Simplify right side
    168,502,257.60x = 42,525,836,929,667,392
  5. Step 5: Solve for x
    x = 42,525,836,929,667,392/168,502,257.60
  6. Step 6: Final answer
    x = 252,375,472.80

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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.