Home / 90,945,452.20-125,504,834.89-49,129,515.34

Finding the Fourth Proportional to 90,945,452.20, 125,504,834.89 and 49,129,515.34

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Solution

The fourth proportional to 90,945,452.20, 125,504,834.89 and 49,129,515.34 is: 67,798,791.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,945,452.20 : 125,504,834.89 = 49,129,515.34 : x
  2. Step 2: Convert to fraction form
    90,945,452.20/125,504,834.89 = 49,129,515.34/x
  3. Step 3: Cross multiply
    90,945,452.20x = 125,504,834.89 × 49,129,515.34
  4. Step 4: Simplify right side
    90,945,452.20x = 6,165,991,711,011,621
  5. Step 5: Solve for x
    x = 6,165,991,711,011,621/90,945,452.20
  6. Step 6: Final answer
    x = 67,798,791.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.