Home / 196,605,453.96-271,417,522.38-143,622,668.52

Finding the Fourth Proportional to 196,605,453.96, 271,417,522.38 and 143,622,668.52

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Solution

The fourth proportional to 196,605,453.96, 271,417,522.38 and 143,622,668.52 is: 198,273,791.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,605,453.96 : 271,417,522.38 = 143,622,668.52 : x
  2. Step 2: Convert to fraction form
    196,605,453.96/271,417,522.38 = 143,622,668.52/x
  3. Step 3: Cross multiply
    196,605,453.96x = 271,417,522.38 × 143,622,668.52
  4. Step 4: Simplify right side
    196,605,453.96x = 38,981,708,847,302,424
  5. Step 5: Solve for x
    x = 38,981,708,847,302,424/196,605,453.96
  6. Step 6: Final answer
    x = 198,273,791.81

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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.