Home / 78,377,729.28-117,552,846.52-29,858,494.60

Finding the Fourth Proportional to 78,377,729.28, 117,552,846.52 and 29,858,494.60

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Solution

The fourth proportional to 78,377,729.28, 117,552,846.52 and 29,858,494.60 is: 44,782,504.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,377,729.28 : 117,552,846.52 = 29,858,494.60 : x
  2. Step 2: Convert to fraction form
    78,377,729.28/117,552,846.52 = 29,858,494.60/x
  3. Step 3: Cross multiply
    78,377,729.28x = 117,552,846.52 × 29,858,494.60
  4. Step 4: Simplify right side
    78,377,729.28x = 3,509,951,033,032,049
  5. Step 5: Solve for x
    x = 3,509,951,033,032,049/78,377,729.28
  6. Step 6: Final answer
    x = 44,782,504.74

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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.