Home / 87,486,447.60-120,732,310.80-48,327,413.04

Finding the Fourth Proportional to 87,486,447.60, 120,732,310.80 and 48,327,413.04

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Solution

The fourth proportional to 87,486,447.60, 120,732,310.80 and 48,327,413.04 is: 66,692,389.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,486,447.60 : 120,732,310.80 = 48,327,413.04 : x
  2. Step 2: Convert to fraction form
    87,486,447.60/120,732,310.80 = 48,327,413.04/x
  3. Step 3: Cross multiply
    87,486,447.60x = 120,732,310.80 × 48,327,413.04
  4. Step 4: Simplify right side
    87,486,447.60x = 5,834,680,251,305,253
  5. Step 5: Solve for x
    x = 5,834,680,251,305,253/87,486,447.60
  6. Step 6: Final answer
    x = 66,692,389.64

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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.