Home / 256,004,096.62-353,286,267.44-138,530,687.42

Finding the Fourth Proportional to 256,004,096.62, 353,286,267.44 and 138,530,687.42

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Solution

The fourth proportional to 256,004,096.62, 353,286,267.44 and 138,530,687.42 is: 191,172,680.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,004,096.62 : 353,286,267.44 = 138,530,687.42 : x
  2. Step 2: Convert to fraction form
    256,004,096.62/353,286,267.44 = 138,530,687.42/x
  3. Step 3: Cross multiply
    256,004,096.62x = 353,286,267.44 × 138,530,687.42
  4. Step 4: Simplify right side
    256,004,096.62x = 48,940,989,483,089,056
  5. Step 5: Solve for x
    x = 48,940,989,483,089,056/256,004,096.62
  6. Step 6: Final answer
    x = 191,172,680.94

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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.