Home / 220,239,712.80-329,981,655.60-104,976,064.80

Finding the Fourth Proportional to 220,239,712.80, 329,981,655.60 and 104,976,064.80

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Solution

The fourth proportional to 220,239,712.80, 329,981,655.60 and 104,976,064.80 is: 157,283,966.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,239,712.80 : 329,981,655.60 = 104,976,064.80 : x
  2. Step 2: Convert to fraction form
    220,239,712.80/329,981,655.60 = 104,976,064.80/x
  3. Step 3: Cross multiply
    220,239,712.80x = 329,981,655.60 × 104,976,064.80
  4. Step 4: Simplify right side
    220,239,712.80x = 34,640,175,661,076,884
  5. Step 5: Solve for x
    x = 34,640,175,661,076,884/220,239,712.80
  6. Step 6: Final answer
    x = 157,283,966.73

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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.