Home / 78,171,392.27-117,180,837.23-37,219,828.20

Finding the Fourth Proportional to 78,171,392.27, 117,180,837.23 and 37,219,828.20

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Solution

The fourth proportional to 78,171,392.27, 117,180,837.23 and 37,219,828.20 is: 55,793,436.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,171,392.27 : 117,180,837.23 = 37,219,828.20 : x
  2. Step 2: Convert to fraction form
    78,171,392.27/117,180,837.23 = 37,219,828.20/x
  3. Step 3: Cross multiply
    78,171,392.27x = 117,180,837.23 × 37,219,828.20
  4. Step 4: Simplify right side
    78,171,392.27x = 4,361,450,629,846,665
  5. Step 5: Solve for x
    x = 4,361,450,629,846,665/78,171,392.27
  6. Step 6: Final answer
    x = 55,793,436.75

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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.