Home / 203,594,413.20-305,391,619.80-106,512,608.40

Finding the Fourth Proportional to 203,594,413.20, 305,391,619.80 and 106,512,608.40

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Solution

The fourth proportional to 203,594,413.20, 305,391,619.80 and 106,512,608.40 is: 159,768,912.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,594,413.20 : 305,391,619.80 = 106,512,608.40 : x
  2. Step 2: Convert to fraction form
    203,594,413.20/305,391,619.80 = 106,512,608.40/x
  3. Step 3: Cross multiply
    203,594,413.20x = 305,391,619.80 × 106,512,608.40
  4. Step 4: Simplify right side
    203,594,413.20x = 32,528,058,008,399,088
  5. Step 5: Solve for x
    x = 32,528,058,008,399,088/203,594,413.20
  6. Step 6: Final answer
    x = 159,768,912.60

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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.