Home / 196,858,712.21-271,672,792.38-113,226,708.65

Finding the Fourth Proportional to 196,858,712.21, 271,672,792.38 and 113,226,708.65

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Solution

The fourth proportional to 196,858,712.21, 271,672,792.38 and 113,226,708.65 is: 156,257,326.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,858,712.21 : 271,672,792.38 = 113,226,708.65 : x
  2. Step 2: Convert to fraction form
    196,858,712.21/271,672,792.38 = 113,226,708.65/x
  3. Step 3: Cross multiply
    196,858,712.21x = 271,672,792.38 × 113,226,708.65
  4. Step 4: Simplify right side
    196,858,712.21x = 30,760,616,109,583,836
  5. Step 5: Solve for x
    x = 30,760,616,109,583,836/196,858,712.21
  6. Step 6: Final answer
    x = 156,257,326.71

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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.