Home / 256,004,096.70-353,286,267.56-138,530,687.50

Finding the Fourth Proportional to 256,004,096.70, 353,286,267.56 and 138,530,687.50

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Solution

The fourth proportional to 256,004,096.70, 353,286,267.56 and 138,530,687.50 is: 191,172,681.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,004,096.70 : 353,286,267.56 = 138,530,687.50 : x
  2. Step 2: Convert to fraction form
    256,004,096.70/353,286,267.56 = 138,530,687.50/x
  3. Step 3: Cross multiply
    256,004,096.70x = 353,286,267.56 × 138,530,687.50
  4. Step 4: Simplify right side
    256,004,096.70x = 48,940,989,527,819,880
  5. Step 5: Solve for x
    x = 48,940,989,527,819,880/256,004,096.70
  6. Step 6: Final answer
    x = 191,172,681.06

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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.