Home / 203,285,187,266.54-280,936,062,647.65-166,605,449,282.21

Finding the Fourth Proportional to 203,285,187,266.54, 280,936,062,647.65 and 166,605,449,282.21

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Solution

The fourth proportional to 203,285,187,266.54, 280,936,062,647.65 and 166,605,449,282.21 is: 230,245,398,429.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,285,187,266.54 : 280,936,062,647.65 = 166,605,449,282.21 : x
  2. Step 2: Convert to fraction form
    203,285,187,266.54/280,936,062,647.65 = 166,605,449,282.21/x
  3. Step 3: Cross multiply
    203,285,187,266.54x = 280,936,062,647.65 × 166,605,449,282.21
  4. Step 4: Simplify right side
    203,285,187,266.54x = 46,805,478,936,986,821,591,040
  5. Step 5: Solve for x
    x = 46,805,478,936,986,821,591,040/203,285,187,266.54
  6. Step 6: Final answer
    x = 230,245,398,429.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.