Home / 90,322,372.44-124,647,428.10-51,164,137.44

Finding the Fourth Proportional to 90,322,372.44, 124,647,428.10 and 51,164,137.44

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Solution

The fourth proportional to 90,322,372.44, 124,647,428.10 and 51,164,137.44 is: 70,607,956.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,322,372.44 : 124,647,428.10 = 51,164,137.44 : x
  2. Step 2: Convert to fraction form
    90,322,372.44/124,647,428.10 = 51,164,137.44/x
  3. Step 3: Cross multiply
    90,322,372.44x = 124,647,428.10 × 51,164,137.44
  4. Step 4: Simplify right side
    90,322,372.44x = 6,377,478,142,850,917
  5. Step 5: Solve for x
    x = 6,377,478,142,850,917/90,322,372.44
  6. Step 6: Final answer
    x = 70,607,956.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.