Home / 112,268,998.80-168,403,498.20-82,035,910.80

Finding the Fourth Proportional to 112,268,998.80, 168,403,498.20 and 82,035,910.80

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Solution

The fourth proportional to 112,268,998.80, 168,403,498.20 and 82,035,910.80 is: 123,053,866.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,268,998.80 : 168,403,498.20 = 82,035,910.80 : x
  2. Step 2: Convert to fraction form
    112,268,998.80/168,403,498.20 = 82,035,910.80/x
  3. Step 3: Cross multiply
    112,268,998.80x = 168,403,498.20 × 82,035,910.80
  4. Step 4: Simplify right side
    112,268,998.80x = 13,815,134,356,743,160
  5. Step 5: Solve for x
    x = 13,815,134,356,743,160/112,268,998.80
  6. Step 6: Final answer
    x = 123,053,866.20

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Similar ratio
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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.