Home / 68,292,727.11-102,424,413.51-21,609,912.24

Finding the Fourth Proportional to 68,292,727.11, 102,424,413.51 and 21,609,912.24

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Solution

The fourth proportional to 68,292,727.11, 102,424,413.51 and 21,609,912.24 is: 32,410,224.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,292,727.11 : 102,424,413.51 = 21,609,912.24 : x
  2. Step 2: Convert to fraction form
    68,292,727.11/102,424,413.51 = 21,609,912.24/x
  3. Step 3: Cross multiply
    68,292,727.11x = 102,424,413.51 × 21,609,912.24
  4. Step 4: Simplify right side
    68,292,727.11x = 2,213,382,587,184,570.25
  5. Step 5: Solve for x
    x = 2,213,382,587,184,570.25/68,292,727.11
  6. Step 6: Final answer
    x = 32,410,224.06

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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.