Home / 78,281,924.88-117,376,369.43-29,763,329.88

Finding the Fourth Proportional to 78,281,924.88, 117,376,369.43 and 29,763,329.88

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Solution

The fourth proportional to 78,281,924.88, 117,376,369.43 and 29,763,329.88 is: 44,627,308.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,281,924.88 : 117,376,369.43 = 29,763,329.88 : x
  2. Step 2: Convert to fraction form
    78,281,924.88/117,376,369.43 = 29,763,329.88/x
  3. Step 3: Cross multiply
    78,281,924.88x = 117,376,369.43 × 29,763,329.88
  4. Step 4: Simplify right side
    78,281,924.88x = 3,493,511,603,313,020.50
  5. Step 5: Solve for x
    x = 3,493,511,603,313,020.50/78,281,924.88
  6. Step 6: Final answer
    x = 44,627,308.39

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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.