Home / 203,150,433.42-280,365,879.69-115,065,859.14

Finding the Fourth Proportional to 203,150,433.42, 280,365,879.69 and 115,065,859.14

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Solution

The fourth proportional to 203,150,433.42, 280,365,879.69 and 115,065,859.14 is: 158,801,240.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,150,433.42 : 280,365,879.69 = 115,065,859.14 : x
  2. Step 2: Convert to fraction form
    203,150,433.42/280,365,879.69 = 115,065,859.14/x
  3. Step 3: Cross multiply
    203,150,433.42x = 280,365,879.69 × 115,065,859.14
  4. Step 4: Simplify right side
    203,150,433.42x = 32,260,540,820,071,728
  5. Step 5: Solve for x
    x = 32,260,540,820,071,728/203,150,433.42
  6. Step 6: Final answer
    x = 158,801,240.43

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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.