Home / 87,381,413.07-131,093,459.82-29,088,978.36

Finding the Fourth Proportional to 87,381,413.07, 131,093,459.82 and 29,088,978.36

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Solution

The fourth proportional to 87,381,413.07, 131,093,459.82 and 29,088,978.36 is: 43,640,571.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,381,413.07 : 131,093,459.82 = 29,088,978.36 : x
  2. Step 2: Convert to fraction form
    87,381,413.07/131,093,459.82 = 29,088,978.36/x
  3. Step 3: Cross multiply
    87,381,413.07x = 131,093,459.82 × 29,088,978.36
  4. Step 4: Simplify right side
    87,381,413.07x = 3,813,374,815,841,509
  5. Step 5: Solve for x
    x = 3,813,374,815,841,509/87,381,413.07
  6. Step 6: Final answer
    x = 43,640,571.63

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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.