Home / 217,261,906.44-299,812,304.31-123,182,382.44

Finding the Fourth Proportional to 217,261,906.44, 299,812,304.31 and 123,182,382.44

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Solution

The fourth proportional to 217,261,906.44, 299,812,304.31 and 123,182,382.44 is: 169,986,513.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,261,906.44 : 299,812,304.31 = 123,182,382.44 : x
  2. Step 2: Convert to fraction form
    217,261,906.44/299,812,304.31 = 123,182,382.44/x
  3. Step 3: Cross multiply
    217,261,906.44x = 299,812,304.31 × 123,182,382.44
  4. Step 4: Simplify right side
    217,261,906.44x = 36,931,593,928,233,016
  5. Step 5: Solve for x
    x = 36,931,593,928,233,016/217,261,906.44
  6. Step 6: Final answer
    x = 169,986,513.21

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1.5x scale

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.