Home / 66,245,618.52-99,372,397.14-20,807,413.02

Finding the Fourth Proportional to 66,245,618.52, 99,372,397.14 and 20,807,413.02

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Solution

The fourth proportional to 66,245,618.52, 99,372,397.14 and 20,807,413.02 is: 31,212,366.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,245,618.52 : 99,372,397.14 = 20,807,413.02 : x
  2. Step 2: Convert to fraction form
    66,245,618.52/99,372,397.14 = 20,807,413.02/x
  3. Step 3: Cross multiply
    66,245,618.52x = 99,372,397.14 × 20,807,413.02
  4. Step 4: Simplify right side
    66,245,618.52x = 2,067,682,510,079,446.75
  5. Step 5: Solve for x
    x = 2,067,682,510,079,446.75/66,245,618.52
  6. Step 6: Final answer
    x = 31,212,366.29

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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.