Home / 256,004,098.29-353,286,269.76-138,530,689.10

Finding the Fourth Proportional to 256,004,098.29, 353,286,269.76 and 138,530,689.10

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Solution

The fourth proportional to 256,004,098.29, 353,286,269.76 and 138,530,689.10 is: 191,172,683.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,004,098.29 : 353,286,269.76 = 138,530,689.10 : x
  2. Step 2: Convert to fraction form
    256,004,098.29/353,286,269.76 = 138,530,689.10/x
  3. Step 3: Cross multiply
    256,004,098.29x = 353,286,269.76 × 138,530,689.10
  4. Step 4: Simplify right side
    256,004,098.29x = 48,940,990,397,654,856
  5. Step 5: Solve for x
    x = 48,940,990,397,654,856/256,004,098.29
  6. Step 6: Final answer
    x = 191,172,683.27

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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.