Home / 78,246,944.44-117,383,951.50-26,431,924.36

Finding the Fourth Proportional to 78,246,944.44, 117,383,951.50 and 26,431,924.36

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Solution

The fourth proportional to 78,246,944.44, 117,383,951.50 and 26,431,924.36 is: 39,652,458.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,246,944.44 : 117,383,951.50 = 26,431,924.36 : x
  2. Step 2: Convert to fraction form
    78,246,944.44/117,383,951.50 = 26,431,924.36/x
  3. Step 3: Cross multiply
    78,246,944.44x = 117,383,951.50 × 26,431,924.36
  4. Step 4: Simplify right side
    78,246,944.44x = 3,102,683,727,125,908.50
  5. Step 5: Solve for x
    x = 3,102,683,727,125,908.50/78,246,944.44
  6. Step 6: Final answer
    x = 39,652,458.63

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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.