Home / 104,192,001.20-156,288,001.80-53,231,207.60

Finding the Fourth Proportional to 104,192,001.20, 156,288,001.80 and 53,231,207.60

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Solution

The fourth proportional to 104,192,001.20, 156,288,001.80 and 53,231,207.60 is: 79,846,811.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,192,001.20 : 156,288,001.80 = 53,231,207.60 : x
  2. Step 2: Convert to fraction form
    104,192,001.20/156,288,001.80 = 53,231,207.60/x
  3. Step 3: Cross multiply
    104,192,001.20x = 156,288,001.80 × 53,231,207.60
  4. Step 4: Simplify right side
    104,192,001.20x = 8,319,399,069,204,975
  5. Step 5: Solve for x
    x = 8,319,399,069,204,975/104,192,001.20
  6. Step 6: Final answer
    x = 79,846,811.40

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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.