Home / 286,424,109.42-395,196,321.38-167,279,134.20

Finding the Fourth Proportional to 286,424,109.42, 395,196,321.38 and 167,279,134.20

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Solution

The fourth proportional to 286,424,109.42, 395,196,321.38 and 167,279,134.20 is: 230,804,936.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,424,109.42 : 395,196,321.38 = 167,279,134.20 : x
  2. Step 2: Convert to fraction form
    286,424,109.42/395,196,321.38 = 167,279,134.20/x
  3. Step 3: Cross multiply
    286,424,109.42x = 395,196,321.38 × 167,279,134.20
  4. Step 4: Simplify right side
    286,424,109.42x = 66,108,098,479,471,344
  5. Step 5: Solve for x
    x = 66,108,098,479,471,344/286,424,109.42
  6. Step 6: Final answer
    x = 230,804,936.82

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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.