Home / 195,781,078,151.49-270,177,900,841.39-108,971,784,905.88

Finding the Fourth Proportional to 195,781,078,151.49, 270,177,900,841.39 and 108,971,784,905.88

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Solution

The fourth proportional to 195,781,078,151.49, 270,177,900,841.39 and 108,971,784,905.88 is: 150,381,070,401.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,781,078,151.49 : 270,177,900,841.39 = 108,971,784,905.88 : x
  2. Step 2: Convert to fraction form
    195,781,078,151.49/270,177,900,841.39 = 108,971,784,905.88/x
  3. Step 3: Cross multiply
    195,781,078,151.49x = 270,177,900,841.39 × 108,971,784,905.88
  4. Step 4: Simplify right side
    195,781,078,151.49x = 29,441,768,096,810,129,162,240
  5. Step 5: Solve for x
    x = 29,441,768,096,810,129,162,240/195,781,078,151.49
  6. Step 6: Final answer
    x = 150,381,070,401.65

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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.