Home / 81,082,654,469.20-121,623,981,703.80-81,082,654,469.20

Finding the Fourth Proportional to 81,082,654,469.20, 121,623,981,703.80 and 81,082,654,469.20

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Solution

The fourth proportional to 81,082,654,469.20, 121,623,981,703.80 and 81,082,654,469.20 is: 121,623,981,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,082,654,469.20 : 121,623,981,703.80 = 81,082,654,469.20 : x
  2. Step 2: Convert to fraction form
    81,082,654,469.20/121,623,981,703.80 = 81,082,654,469.20/x
  3. Step 3: Cross multiply
    81,082,654,469.20x = 121,623,981,703.80 × 81,082,654,469.20
  4. Step 4: Simplify right side
    81,082,654,469.20x = 9,861,595,283,657,517,432,832
  5. Step 5: Solve for x
    x = 9,861,595,283,657,517,432,832/81,082,654,469.20
  6. Step 6: Final answer
    x = 121,623,981,703.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.