Home / 169,469,881.30-254,228,441.55-72,424,818.10

Finding the Fourth Proportional to 169,469,881.30, 254,228,441.55 and 72,424,818.10

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Solution

The fourth proportional to 169,469,881.30, 254,228,441.55 and 72,424,818.10 is: 108,647,321.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,469,881.30 : 254,228,441.55 = 72,424,818.10 : x
  2. Step 2: Convert to fraction form
    169,469,881.30/254,228,441.55 = 72,424,818.10/x
  3. Step 3: Cross multiply
    169,469,881.30x = 254,228,441.55 × 72,424,818.10
  4. Step 4: Simplify right side
    169,469,881.30x = 18,412,448,635,105,232
  5. Step 5: Solve for x
    x = 18,412,448,635,105,232/169,469,881.30
  6. Step 6: Final answer
    x = 108,647,321.25

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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.