Home / 154,231,996.80-231,725,908.80-115,968,244.80

Finding the Fourth Proportional to 154,231,996.80, 231,725,908.80 and 115,968,244.80

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Solution

The fourth proportional to 154,231,996.80, 231,725,908.80 and 115,968,244.80 is: 174,236,523.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,231,996.80 : 231,725,908.80 = 115,968,244.80 : x
  2. Step 2: Convert to fraction form
    154,231,996.80/231,725,908.80 = 115,968,244.80/x
  3. Step 3: Cross multiply
    154,231,996.80x = 231,725,908.80 × 115,968,244.80
  4. Step 4: Simplify right side
    154,231,996.80x = 26,872,846,918,220,876
  5. Step 5: Solve for x
    x = 26,872,846,918,220,876/154,231,996.80
  6. Step 6: Final answer
    x = 174,236,523.39

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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.