Home / 72,168,413.67-108,263,422.86-26,121,056.25

Finding the Fourth Proportional to 72,168,413.67, 108,263,422.86 and 26,121,056.25

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Solution

The fourth proportional to 72,168,413.67, 108,263,422.86 and 26,121,056.25 is: 39,185,494.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,168,413.67 : 108,263,422.86 = 26,121,056.25 : x
  2. Step 2: Convert to fraction form
    72,168,413.67/108,263,422.86 = 26,121,056.25/x
  3. Step 3: Cross multiply
    72,168,413.67x = 108,263,422.86 × 26,121,056.25
  4. Step 4: Simplify right side
    72,168,413.67x = 2,827,954,958,343,596
  5. Step 5: Solve for x
    x = 2,827,954,958,343,596/72,168,413.67
  6. Step 6: Final answer
    x = 39,185,494.24

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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.