Home / 203,383,462.14-280,405,736.82-131,728,856.58

Finding the Fourth Proportional to 203,383,462.14, 280,405,736.82 and 131,728,856.58

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Solution

The fourth proportional to 203,383,462.14, 280,405,736.82 and 131,728,856.58 is: 181,615,194.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,383,462.14 : 280,405,736.82 = 131,728,856.58 : x
  2. Step 2: Convert to fraction form
    203,383,462.14/280,405,736.82 = 131,728,856.58/x
  3. Step 3: Cross multiply
    203,383,462.14x = 280,405,736.82 × 131,728,856.58
  4. Step 4: Simplify right side
    203,383,462.14x = 36,937,527,089,771,000
  5. Step 5: Solve for x
    x = 36,937,527,089,771,000/203,383,462.14
  6. Step 6: Final answer
    x = 181,615,194.77

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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.