Home / 76,383,962.11-114,574,821.31-18,876,231.73

Finding the Fourth Proportional to 76,383,962.11, 114,574,821.31 and 18,876,231.73

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Solution

The fourth proportional to 76,383,962.11, 114,574,821.31 and 18,876,231.73 is: 28,314,070.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,383,962.11 : 114,574,821.31 = 18,876,231.73 : x
  2. Step 2: Convert to fraction form
    76,383,962.11/114,574,821.31 = 18,876,231.73/x
  3. Step 3: Cross multiply
    76,383,962.11x = 114,574,821.31 × 18,876,231.73
  4. Step 4: Simplify right side
    76,383,962.11x = 2,162,740,877,470,902.25
  5. Step 5: Solve for x
    x = 2,162,740,877,470,902.25/76,383,962.11
  6. Step 6: Final answer
    x = 28,314,070.36

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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.