Home / 256,004,095.03-353,286,265.26-138,530,685.83

Finding the Fourth Proportional to 256,004,095.03, 353,286,265.26 and 138,530,685.83

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Solution

The fourth proportional to 256,004,095.03, 353,286,265.26 and 138,530,685.83 is: 191,172,678.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,004,095.03 : 353,286,265.26 = 138,530,685.83 : x
  2. Step 2: Convert to fraction form
    256,004,095.03/353,286,265.26 = 138,530,685.83/x
  3. Step 3: Cross multiply
    256,004,095.03x = 353,286,265.26 × 138,530,685.83
  4. Step 4: Simplify right side
    256,004,095.03x = 48,940,988,620,361,352
  5. Step 5: Solve for x
    x = 48,940,988,620,361,352/256,004,095.03
  6. Step 6: Final answer
    x = 191,172,678.76

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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.