Home / 76,383,963.12-114,574,822.82-18,876,232.74

Finding the Fourth Proportional to 76,383,963.12, 114,574,822.82 and 18,876,232.74

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Solution

The fourth proportional to 76,383,963.12, 114,574,822.82 and 18,876,232.74 is: 28,314,071.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,383,963.12 : 114,574,822.82 = 18,876,232.74 : x
  2. Step 2: Convert to fraction form
    76,383,963.12/114,574,822.82 = 18,876,232.74/x
  3. Step 3: Cross multiply
    76,383,963.12x = 114,574,822.82 × 18,876,232.74
  4. Step 4: Simplify right side
    76,383,963.12x = 2,162,741,021,694,582.75
  5. Step 5: Solve for x
    x = 2,162,741,021,694,582.75/76,383,963.12
  6. Step 6: Final answer
    x = 28,314,071.87

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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.