Home / 206,284,787.71-309,393,530.79-60,684,309.61

Finding the Fourth Proportional to 206,284,787.71, 309,393,530.79 and 60,684,309.61

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Solution

The fourth proportional to 206,284,787.71, 309,393,530.79 and 60,684,309.61 is: 91,016,565.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,284,787.71 : 309,393,530.79 = 60,684,309.61 : x
  2. Step 2: Convert to fraction form
    206,284,787.71/309,393,530.79 = 60,684,309.61/x
  3. Step 3: Cross multiply
    206,284,787.71x = 309,393,530.79 × 60,684,309.61
  4. Step 4: Simplify right side
    206,284,787.71x = 18,775,332,813,791,428
  5. Step 5: Solve for x
    x = 18,775,332,813,791,428/206,284,787.71
  6. Step 6: Final answer
    x = 91,016,565.12

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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.