Home / 108,486,149,286.12-149,719,260,687.17-65,084,059,668.15

Finding the Fourth Proportional to 108,486,149,286.12, 149,719,260,687.17 and 65,084,059,668.15

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Solution

The fourth proportional to 108,486,149,286.12, 149,719,260,687.17 and 65,084,059,668.15 is: 89,821,026,556.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,486,149,286.12 : 149,719,260,687.17 = 65,084,059,668.15 : x
  2. Step 2: Convert to fraction form
    108,486,149,286.12/149,719,260,687.17 = 65,084,059,668.15/x
  3. Step 3: Cross multiply
    108,486,149,286.12x = 149,719,260,687.17 × 65,084,059,668.15
  4. Step 4: Simplify right side
    108,486,149,286.12x = 9,744,337,296,035,078,471,680
  5. Step 5: Solve for x
    x = 9,744,337,296,035,078,471,680/108,486,149,286.12
  6. Step 6: Final answer
    x = 89,821,026,556.45

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Double scale
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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.