Home / 76,383,974.11-114,574,839.31-18,876,243.73

Finding the Fourth Proportional to 76,383,974.11, 114,574,839.31 and 18,876,243.73

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Solution

The fourth proportional to 76,383,974.11, 114,574,839.31 and 18,876,243.73 is: 28,314,088.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,383,974.11 : 114,574,839.31 = 18,876,243.73 : x
  2. Step 2: Convert to fraction form
    76,383,974.11/114,574,839.31 = 18,876,243.73/x
  3. Step 3: Cross multiply
    76,383,974.11x = 114,574,839.31 × 18,876,243.73
  4. Step 4: Simplify right side
    76,383,974.11x = 2,162,742,592,141,145
  5. Step 5: Solve for x
    x = 2,162,742,592,141,145/76,383,974.11
  6. Step 6: Final answer
    x = 28,314,088.36

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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.