Home / 169,035,315.85-253,639,443.66-80,504,109.70

Finding the Fourth Proportional to 169,035,315.85, 253,639,443.66 and 80,504,109.70

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Solution

The fourth proportional to 169,035,315.85, 253,639,443.66 and 80,504,109.70 is: 120,797,346.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,035,315.85 : 253,639,443.66 = 80,504,109.70 : x
  2. Step 2: Convert to fraction form
    169,035,315.85/253,639,443.66 = 80,504,109.70/x
  3. Step 3: Cross multiply
    169,035,315.85x = 253,639,443.66 × 80,504,109.70
  4. Step 4: Simplify right side
    169,035,315.85x = 20,419,017,595,715,620
  5. Step 5: Solve for x
    x = 20,419,017,595,715,620/169,035,315.85
  6. Step 6: Final answer
    x = 120,797,346.36

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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.