Home / 126,057,773.40-188,981,684.10-53,330,400.60

Finding the Fourth Proportional to 126,057,773.40, 188,981,684.10 and 53,330,400.60

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Solution

The fourth proportional to 126,057,773.40, 188,981,684.10 and 53,330,400.60 is: 79,951,189.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,057,773.40 : 188,981,684.10 = 53,330,400.60 : x
  2. Step 2: Convert to fraction form
    126,057,773.40/188,981,684.10 = 53,330,400.60/x
  3. Step 3: Cross multiply
    126,057,773.40x = 188,981,684.10 × 53,330,400.60
  4. Step 4: Simplify right side
    126,057,773.40x = 10,078,468,919,115,650
  5. Step 5: Solve for x
    x = 10,078,468,919,115,650/126,057,773.40
  6. Step 6: Final answer
    x = 79,951,189.42

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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.