Home / 78,246,935.44-117,383,937.96-26,431,915.36

Finding the Fourth Proportional to 78,246,935.44, 117,383,937.96 and 26,431,915.36

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Solution

The fourth proportional to 78,246,935.44, 117,383,937.96 and 26,431,915.36 is: 39,652,445.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,246,935.44 : 117,383,937.96 = 26,431,915.36 : x
  2. Step 2: Convert to fraction form
    78,246,935.44/117,383,937.96 = 26,431,915.36/x
  3. Step 3: Cross multiply
    78,246,935.44x = 117,383,937.96 × 26,431,915.36
  4. Step 4: Simplify right side
    78,246,935.44x = 3,102,682,312,782,211
  5. Step 5: Solve for x
    x = 3,102,682,312,782,211/78,246,935.44
  6. Step 6: Final answer
    x = 39,652,445.11

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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.