Home / 256,004,096.98-353,286,267.94-138,530,687.78

Finding the Fourth Proportional to 256,004,096.98, 353,286,267.94 and 138,530,687.78

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Solution

The fourth proportional to 256,004,096.98, 353,286,267.94 and 138,530,687.78 is: 191,172,681.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,004,096.98 : 353,286,267.94 = 138,530,687.78 : x
  2. Step 2: Convert to fraction form
    256,004,096.98/353,286,267.94 = 138,530,687.78/x
  3. Step 3: Cross multiply
    256,004,096.98x = 353,286,267.94 × 138,530,687.78
  4. Step 4: Simplify right side
    256,004,096.98x = 48,940,989,680,024,952
  5. Step 5: Solve for x
    x = 48,940,989,680,024,952/256,004,096.98
  6. Step 6: Final answer
    x = 191,172,681.44

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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.