Home / 220,174,413.30-330,261,619.95-66,820,223.70

Finding the Fourth Proportional to 220,174,413.30, 330,261,619.95 and 66,820,223.70

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Solution

The fourth proportional to 220,174,413.30, 330,261,619.95 and 66,820,223.70 is: 100,230,335.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,174,413.30 : 330,261,619.95 = 66,820,223.70 : x
  2. Step 2: Convert to fraction form
    220,174,413.30/330,261,619.95 = 66,820,223.70/x
  3. Step 3: Cross multiply
    220,174,413.30x = 330,261,619.95 × 66,820,223.70
  4. Step 4: Simplify right side
    220,174,413.30x = 22,068,155,324,583,384
  5. Step 5: Solve for x
    x = 22,068,155,324,583,384/220,174,413.30
  6. Step 6: Final answer
    x = 100,230,335.55

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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.