Home / 154,882,915.36-213,753,863.49-115,656,590.85

Finding the Fourth Proportional to 154,882,915.36, 213,753,863.49 and 115,656,590.85

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Solution

The fourth proportional to 154,882,915.36, 213,753,863.49 and 115,656,590.85 is: 159,617,625.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,882,915.36 : 213,753,863.49 = 115,656,590.85 : x
  2. Step 2: Convert to fraction form
    154,882,915.36/213,753,863.49 = 115,656,590.85/x
  3. Step 3: Cross multiply
    154,882,915.36x = 213,753,863.49 × 115,656,590.85
  4. Step 4: Simplify right side
    154,882,915.36x = 24,722,043,131,034,396
  5. Step 5: Solve for x
    x = 24,722,043,131,034,396/154,882,915.36
  6. Step 6: Final answer
    x = 159,617,625.18

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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.