Home / 85,488,396,013.92-117,924,971,939.52-53,317,906,238.88

Finding the Fourth Proportional to 85,488,396,013.92, 117,924,971,939.52 and 53,317,906,238.88

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Solution

The fourth proportional to 85,488,396,013.92, 117,924,971,939.52 and 53,317,906,238.88 is: 73,548,140,920.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,488,396,013.92 : 117,924,971,939.52 = 53,317,906,238.88 : x
  2. Step 2: Convert to fraction form
    85,488,396,013.92/117,924,971,939.52 = 53,317,906,238.88/x
  3. Step 3: Cross multiply
    85,488,396,013.92x = 117,924,971,939.52 × 53,317,906,238.88
  4. Step 4: Simplify right side
    85,488,396,013.92x = 6,287,512,597,093,882,527,744
  5. Step 5: Solve for x
    x = 6,287,512,597,093,882,527,744/85,488,396,013.92
  6. Step 6: Final answer
    x = 73,548,140,920.44

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1.5x scale

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.