Home / 168,273,909.60-252,410,864.40-76,157,469.60

Finding the Fourth Proportional to 168,273,909.60, 252,410,864.40 and 76,157,469.60

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Solution

The fourth proportional to 168,273,909.60, 252,410,864.40 and 76,157,469.60 is: 114,236,204.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,273,909.60 : 252,410,864.40 = 76,157,469.60 : x
  2. Step 2: Convert to fraction form
    168,273,909.60/252,410,864.40 = 76,157,469.60/x
  3. Step 3: Cross multiply
    168,273,909.60x = 252,410,864.40 × 76,157,469.60
  4. Step 4: Simplify right side
    168,273,909.60x = 19,222,972,732,252,720
  5. Step 5: Solve for x
    x = 19,222,972,732,252,720/168,273,909.60
  6. Step 6: Final answer
    x = 114,236,204.40

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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.