Home / 199,080,413.60-298,753,330.80-91,319,568.80

Finding the Fourth Proportional to 199,080,413.60, 298,753,330.80 and 91,319,568.80

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Solution

The fourth proportional to 199,080,413.60, 298,753,330.80 and 91,319,568.80 is: 137,040,228.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,080,413.60 : 298,753,330.80 = 91,319,568.80 : x
  2. Step 2: Convert to fraction form
    199,080,413.60/298,753,330.80 = 91,319,568.80/x
  3. Step 3: Cross multiply
    199,080,413.60x = 298,753,330.80 × 91,319,568.80
  4. Step 4: Simplify right side
    199,080,413.60x = 27,282,025,346,219,760
  5. Step 5: Solve for x
    x = 27,282,025,346,219,760/199,080,413.60
  6. Step 6: Final answer
    x = 137,040,228.38

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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.