Home / 169,469,880.30-254,228,440.05-72,424,817.10

Finding the Fourth Proportional to 169,469,880.30, 254,228,440.05 and 72,424,817.10

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Solution

The fourth proportional to 169,469,880.30, 254,228,440.05 and 72,424,817.10 is: 108,647,319.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,469,880.30 : 254,228,440.05 = 72,424,817.10 : x
  2. Step 2: Convert to fraction form
    169,469,880.30/254,228,440.05 = 72,424,817.10/x
  3. Step 3: Cross multiply
    169,469,880.30x = 254,228,440.05 × 72,424,817.10
  4. Step 4: Simplify right side
    169,469,880.30x = 18,412,448,272,239,564
  5. Step 5: Solve for x
    x = 18,412,448,272,239,564/169,469,880.30
  6. Step 6: Final answer
    x = 108,647,319.75

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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.