Home / 281,760,026.47-422,643,293.59-85,025,144.21

Finding the Fourth Proportional to 281,760,026.47, 422,643,293.59 and 85,025,144.21

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Solution

The fourth proportional to 281,760,026.47, 422,643,293.59 and 85,025,144.21 is: 127,538,698.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,760,026.47 : 422,643,293.59 = 85,025,144.21 : x
  2. Step 2: Convert to fraction form
    281,760,026.47/422,643,293.59 = 85,025,144.21/x
  3. Step 3: Cross multiply
    281,760,026.47x = 422,643,293.59 × 85,025,144.21
  4. Step 4: Simplify right side
    281,760,026.47x = 35,935,306,988,279,032
  5. Step 5: Solve for x
    x = 35,935,306,988,279,032/281,760,026.47
  6. Step 6: Final answer
    x = 127,538,698.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.