Home / 203,334,933.28-280,605,049.68-110,515,413.28

Finding the Fourth Proportional to 203,334,933.28, 280,605,049.68 and 110,515,413.28

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Solution

The fourth proportional to 203,334,933.28, 280,605,049.68 and 110,515,413.28 is: 152,512,814.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,334,933.28 : 280,605,049.68 = 110,515,413.28 : x
  2. Step 2: Convert to fraction form
    203,334,933.28/280,605,049.68 = 110,515,413.28/x
  3. Step 3: Cross multiply
    203,334,933.28x = 280,605,049.68 × 110,515,413.28
  4. Step 4: Simplify right side
    203,334,933.28x = 31,011,183,033,840,132
  5. Step 5: Solve for x
    x = 31,011,183,033,840,132/203,334,933.28
  6. Step 6: Final answer
    x = 152,512,814.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.