Home / 188,729,992.80-282,963,375.74-83,628,172.49

Finding the Fourth Proportional to 188,729,992.80, 282,963,375.74 and 83,628,172.49

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Solution

The fourth proportional to 188,729,992.80, 282,963,375.74 and 83,628,172.49 is: 125,383,939.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,729,992.80 : 282,963,375.74 = 83,628,172.49 : x
  2. Step 2: Convert to fraction form
    188,729,992.80/282,963,375.74 = 83,628,172.49/x
  3. Step 3: Cross multiply
    188,729,992.80x = 282,963,375.74 × 83,628,172.49
  4. Step 4: Simplify right side
    188,729,992.80x = 23,663,709,992,904,444
  5. Step 5: Solve for x
    x = 23,663,709,992,904,444/188,729,992.80
  6. Step 6: Final answer
    x = 125,383,939.47

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