Home / 188,729,993.80-282,963,377.23-83,628,173.49

Finding the Fourth Proportional to 188,729,993.80, 282,963,377.23 and 83,628,173.49

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Solution

The fourth proportional to 188,729,993.80, 282,963,377.23 and 83,628,173.49 is: 125,383,940.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,729,993.80 : 282,963,377.23 = 83,628,173.49 : x
  2. Step 2: Convert to fraction form
    188,729,993.80/282,963,377.23 = 83,628,173.49/x
  3. Step 3: Cross multiply
    188,729,993.80x = 282,963,377.23 × 83,628,173.49
  4. Step 4: Simplify right side
    188,729,993.80x = 23,663,710,402,306,756
  5. Step 5: Solve for x
    x = 23,663,710,402,306,756/188,729,993.80
  6. Step 6: Final answer
    x = 125,383,940.97

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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.