Home / 177,147,324.80-265,720,987.20-81,595,836.80

Finding the Fourth Proportional to 177,147,324.80, 265,720,987.20 and 81,595,836.80

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Solution

The fourth proportional to 177,147,324.80, 265,720,987.20 and 81,595,836.80 is: 122,393,755.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,147,324.80 : 265,720,987.20 = 81,595,836.80 : x
  2. Step 2: Convert to fraction form
    177,147,324.80/265,720,987.20 = 81,595,836.80/x
  3. Step 3: Cross multiply
    177,147,324.80x = 265,720,987.20 × 81,595,836.80
  4. Step 4: Simplify right side
    177,147,324.80x = 21,681,726,305,906,088
  5. Step 5: Solve for x
    x = 21,681,726,305,906,088/177,147,324.80
  6. Step 6: Final answer
    x = 122,393,755.20

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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.