Home / 214,298,524.96-321,479,729.27-76,112,522.64

Finding the Fourth Proportional to 214,298,524.96, 321,479,729.27 and 76,112,522.64

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Solution

The fourth proportional to 214,298,524.96, 321,479,729.27 and 76,112,522.64 is: 114,180,128.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,298,524.96 : 321,479,729.27 = 76,112,522.64 : x
  2. Step 2: Convert to fraction form
    214,298,524.96/321,479,729.27 = 76,112,522.64/x
  3. Step 3: Cross multiply
    214,298,524.96x = 321,479,729.27 × 76,112,522.64
  4. Step 4: Simplify right side
    214,298,524.96x = 24,468,633,172,363,944
  5. Step 5: Solve for x
    x = 24,468,633,172,363,944/214,298,524.96
  6. Step 6: Final answer
    x = 114,180,128.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.