Home / 65,440,413.80-98,165,286.30-20,002,135.40

Finding the Fourth Proportional to 65,440,413.80, 98,165,286.30 and 20,002,135.40

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Solution

The fourth proportional to 65,440,413.80, 98,165,286.30 and 20,002,135.40 is: 30,004,629.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,440,413.80 : 98,165,286.30 = 20,002,135.40 : x
  2. Step 2: Convert to fraction form
    65,440,413.80/98,165,286.30 = 20,002,135.40/x
  3. Step 3: Cross multiply
    65,440,413.80x = 98,165,286.30 × 20,002,135.40
  4. Step 4: Simplify right side
    65,440,413.80x = 1,963,515,348,152,364.75
  5. Step 5: Solve for x
    x = 1,963,515,348,152,364.75/65,440,413.80
  6. Step 6: Final answer
    x = 30,004,629.16

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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.