Home / 196,272,881.52-270,858,429-108,170,101.68

Finding the Fourth Proportional to 196,272,881.52, 270,858,429 and 108,170,101.68

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Solution

The fourth proportional to 196,272,881.52, 270,858,429 and 108,170,101.68 is: 149,275,761.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,272,881.52 : 270,858,429 = 108,170,101.68 : x
  2. Step 2: Convert to fraction form
    196,272,881.52/270,858,429 = 108,170,101.68/x
  3. Step 3: Cross multiply
    196,272,881.52x = 270,858,429 × 108,170,101.68
  4. Step 4: Simplify right side
    196,272,881.52x = 29,298,783,805,815,064
  5. Step 5: Solve for x
    x = 29,298,783,805,815,064/196,272,881.52
  6. Step 6: Final answer
    x = 149,275,761.27

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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.