Home / 167,987,618.58-231,691,493.70-109,269,034.20

Finding the Fourth Proportional to 167,987,618.58, 231,691,493.70 and 109,269,034.20

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Solution

The fourth proportional to 167,987,618.58, 231,691,493.70 and 109,269,034.20 is: 150,705,783.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,987,618.58 : 231,691,493.70 = 109,269,034.20 : x
  2. Step 2: Convert to fraction form
    167,987,618.58/231,691,493.70 = 109,269,034.20/x
  3. Step 3: Cross multiply
    167,987,618.58x = 231,691,493.70 × 109,269,034.20
  4. Step 4: Simplify right side
    167,987,618.58x = 25,316,705,748,954,384
  5. Step 5: Solve for x
    x = 25,316,705,748,954,384/167,987,618.58
  6. Step 6: Final answer
    x = 150,705,783.93

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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.