Home / 206,833,626.72-285,428,471.76-112,747,759.20

Finding the Fourth Proportional to 206,833,626.72, 285,428,471.76 and 112,747,759.20

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Solution

The fourth proportional to 206,833,626.72, 285,428,471.76 and 112,747,759.20 is: 155,590,853.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,833,626.72 : 285,428,471.76 = 112,747,759.20 : x
  2. Step 2: Convert to fraction form
    206,833,626.72/285,428,471.76 = 112,747,759.20/x
  3. Step 3: Cross multiply
    206,833,626.72x = 285,428,471.76 × 112,747,759.20
  4. Step 4: Simplify right side
    206,833,626.72x = 32,181,420,602,820,480
  5. Step 5: Solve for x
    x = 32,181,420,602,820,480/206,833,626.72
  6. Step 6: Final answer
    x = 155,590,853.93

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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.