Home / 256,004,099.14-353,286,270.92-138,530,689.94

Finding the Fourth Proportional to 256,004,099.14, 353,286,270.92 and 138,530,689.94

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Solution

The fourth proportional to 256,004,099.14, 353,286,270.92 and 138,530,689.94 is: 191,172,684.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,004,099.14 : 353,286,270.92 = 138,530,689.94 : x
  2. Step 2: Convert to fraction form
    256,004,099.14/353,286,270.92 = 138,530,689.94/x
  3. Step 3: Cross multiply
    256,004,099.14x = 353,286,270.92 × 138,530,689.94
  4. Step 4: Simplify right side
    256,004,099.14x = 48,940,990,854,418,280
  5. Step 5: Solve for x
    x = 48,940,990,854,418,280/256,004,099.14
  6. Step 6: Final answer
    x = 191,172,684.42

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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.