Home / 87,880,978.36-131,729,191-29,568,413.20

Finding the Fourth Proportional to 87,880,978.36, 131,729,191 and 29,568,413.20

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Solution

The fourth proportional to 87,880,978.36, 131,729,191 and 29,568,413.20 is: 44,321,572.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,880,978.36 : 131,729,191 = 29,568,413.20 : x
  2. Step 2: Convert to fraction form
    87,880,978.36/131,729,191 = 29,568,413.20/x
  3. Step 3: Cross multiply
    87,880,978.36x = 131,729,191 × 29,568,413.20
  4. Step 4: Simplify right side
    87,880,978.36x = 3,895,023,149,989,721
  5. Step 5: Solve for x
    x = 3,895,023,149,989,721/87,880,978.36
  6. Step 6: Final answer
    x = 44,321,572.46

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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.