Home / 140,722,396,708.74-194,197,032,592.39-76,493,121,017.46

Finding the Fourth Proportional to 140,722,396,708.74, 194,197,032,592.39 and 76,493,121,017.46

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Solution

The fourth proportional to 140,722,396,708.74, 194,197,032,592.39 and 76,493,121,017.46 is: 105,560,575,023.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,722,396,708.74 : 194,197,032,592.39 = 76,493,121,017.46 : x
  2. Step 2: Convert to fraction form
    140,722,396,708.74/194,197,032,592.39 = 76,493,121,017.46/x
  3. Step 3: Cross multiply
    140,722,396,708.74x = 194,197,032,592.39 × 76,493,121,017.46
  4. Step 4: Simplify right side
    140,722,396,708.74x = 14,854,737,115,321,313,787,904
  5. Step 5: Solve for x
    x = 14,854,737,115,321,313,787,904/140,722,396,708.74
  6. Step 6: Final answer
    x = 105,560,575,023.94

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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.