Home / 91,083,745.44-125,693,413.20-49,830,976.80

Finding the Fourth Proportional to 91,083,745.44, 125,693,413.20 and 49,830,976.80

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Solution

The fourth proportional to 91,083,745.44, 125,693,413.20 and 49,830,976.80 is: 68,765,568.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,083,745.44 : 125,693,413.20 = 49,830,976.80 : x
  2. Step 2: Convert to fraction form
    91,083,745.44/125,693,413.20 = 49,830,976.80/x
  3. Step 3: Cross multiply
    91,083,745.44x = 125,693,413.20 × 49,830,976.80
  4. Step 4: Simplify right side
    91,083,745.44x = 6,263,425,557,082,014
  5. Step 5: Solve for x
    x = 6,263,425,557,082,014/91,083,745.44
  6. Step 6: Final answer
    x = 68,765,568.73

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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.