Home / 76,534,940.44-114,802,832.12-19,027,211.61

Finding the Fourth Proportional to 76,534,940.44, 114,802,832.12 and 19,027,211.61

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Solution

The fourth proportional to 76,534,940.44, 114,802,832.12 and 19,027,211.61 is: 28,540,922.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,534,940.44 : 114,802,832.12 = 19,027,211.61 : x
  2. Step 2: Convert to fraction form
    76,534,940.44/114,802,832.12 = 19,027,211.61/x
  3. Step 3: Cross multiply
    76,534,940.44x = 114,802,832.12 × 19,027,211.61
  4. Step 4: Simplify right side
    76,534,940.44x = 2,184,377,780,509,919.25
  5. Step 5: Solve for x
    x = 2,184,377,780,509,919.25/76,534,940.44
  6. Step 6: Final answer
    x = 28,540,922.20

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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.