Home / 195,781,078,161.76-270,177,900,855.59-108,971,784,916.15

Finding the Fourth Proportional to 195,781,078,161.76, 270,177,900,855.59 and 108,971,784,916.15

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Solution

The fourth proportional to 195,781,078,161.76, 270,177,900,855.59 and 108,971,784,916.15 is: 150,381,070,415.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,781,078,161.76 : 270,177,900,855.59 = 108,971,784,916.15 : x
  2. Step 2: Convert to fraction form
    195,781,078,161.76/270,177,900,855.59 = 108,971,784,916.15/x
  3. Step 3: Cross multiply
    195,781,078,161.76x = 270,177,900,855.59 × 108,971,784,916.15
  4. Step 4: Simplify right side
    195,781,078,161.76x = 29,441,768,101,132,250,382,336
  5. Step 5: Solve for x
    x = 29,441,768,101,132,250,382,336/195,781,078,161.76
  6. Step 6: Final answer
    x = 150,381,070,415.84

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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.