Home / 206,369,450.10-309,690,377.69-109,393,258.95

Finding the Fourth Proportional to 206,369,450.10, 309,690,377.69 and 109,393,258.95

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Solution

The fourth proportional to 206,369,450.10, 309,690,377.69 and 109,393,258.95 is: 164,162,087.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,369,450.10 : 309,690,377.69 = 109,393,258.95 : x
  2. Step 2: Convert to fraction form
    206,369,450.10/309,690,377.69 = 109,393,258.95/x
  3. Step 3: Cross multiply
    206,369,450.10x = 309,690,377.69 × 109,393,258.95
  4. Step 4: Simplify right side
    206,369,450.10x = 33,878,039,680,418,508
  5. Step 5: Solve for x
    x = 33,878,039,680,418,508/206,369,450.10
  6. Step 6: Final answer
    x = 164,162,087.29

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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.