Home / 78,377,738.43-117,552,860.19-29,858,503.74

Finding the Fourth Proportional to 78,377,738.43, 117,552,860.19 and 29,858,503.74

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Solution

The fourth proportional to 78,377,738.43, 117,552,860.19 and 29,858,503.74 is: 44,782,518.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,377,738.43 : 117,552,860.19 = 29,858,503.74 : x
  2. Step 2: Convert to fraction form
    78,377,738.43/117,552,860.19 = 29,858,503.74/x
  3. Step 3: Cross multiply
    78,377,738.43x = 117,552,860.19 × 29,858,503.74
  4. Step 4: Simplify right side
    78,377,738.43x = 3,509,952,515,630,812
  5. Step 5: Solve for x
    x = 3,509,952,515,630,812/78,377,738.43
  6. Step 6: Final answer
    x = 44,782,518.43

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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.