Home / 76,633,015.40-114,981,015.90-28,134,103.40

Finding the Fourth Proportional to 76,633,015.40, 114,981,015.90 and 28,134,103.40

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Solution

The fourth proportional to 76,633,015.40, 114,981,015.90 and 28,134,103.40 is: 42,212,716.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,633,015.40 : 114,981,015.90 = 28,134,103.40 : x
  2. Step 2: Convert to fraction form
    76,633,015.40/114,981,015.90 = 28,134,103.40/x
  3. Step 3: Cross multiply
    76,633,015.40x = 114,981,015.90 × 28,134,103.40
  4. Step 4: Simplify right side
    76,633,015.40x = 3,234,887,790,367,644
  5. Step 5: Solve for x
    x = 3,234,887,790,367,644/76,633,015.40
  6. Step 6: Final answer
    x = 42,212,716.98

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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.