Home / 286,161,082.44-394,987,930.34-167,115,786.52

Finding the Fourth Proportional to 286,161,082.44, 394,987,930.34 and 167,115,786.52

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Solution

The fourth proportional to 286,161,082.44, 394,987,930.34 and 167,115,786.52 is: 230,669,796.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,161,082.44 : 394,987,930.34 = 167,115,786.52 : x
  2. Step 2: Convert to fraction form
    286,161,082.44/394,987,930.34 = 167,115,786.52/x
  3. Step 3: Cross multiply
    286,161,082.44x = 394,987,930.34 × 167,115,786.52
  4. Step 4: Simplify right side
    286,161,082.44x = 66,008,718,644,676,072
  5. Step 5: Solve for x
    x = 66,008,718,644,676,072/286,161,082.44
  6. Step 6: Final answer
    x = 230,669,796.47

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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.