Home / 279,967,371.30-386,293,139.10-162,424,627.92

Finding the Fourth Proportional to 279,967,371.30, 386,293,139.10 and 162,424,627.92

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Solution

The fourth proportional to 279,967,371.30, 386,293,139.10 and 162,424,627.92 is: 224,110,113.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,967,371.30 : 386,293,139.10 = 162,424,627.92 : x
  2. Step 2: Convert to fraction form
    279,967,371.30/386,293,139.10 = 162,424,627.92/x
  3. Step 3: Cross multiply
    279,967,371.30x = 386,293,139.10 × 162,424,627.92
  4. Step 4: Simplify right side
    279,967,371.30x = 62,743,519,386,366,304
  5. Step 5: Solve for x
    x = 62,743,519,386,366,304/279,967,371.30
  6. Step 6: Final answer
    x = 224,110,113.60

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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.