Home / 231,397,228.78-319,327,299.75-126,977,047.54

Finding the Fourth Proportional to 231,397,228.78, 319,327,299.75 and 126,977,047.54

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Solution

The fourth proportional to 231,397,228.78, 319,327,299.75 and 126,977,047.54 is: 175,227,844.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,397,228.78 : 319,327,299.75 = 126,977,047.54 : x
  2. Step 2: Convert to fraction form
    231,397,228.78/319,327,299.75 = 126,977,047.54/x
  3. Step 3: Cross multiply
    231,397,228.78x = 319,327,299.75 × 126,977,047.54
  4. Step 4: Simplify right side
    231,397,228.78x = 40,547,237,721,175,584
  5. Step 5: Solve for x
    x = 40,547,237,721,175,584/231,397,228.78
  6. Step 6: Final answer
    x = 175,227,844.93

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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.