Home / 78,284,209.44-117,379,800.72-29,765,611.20

Finding the Fourth Proportional to 78,284,209.44, 117,379,800.72 and 29,765,611.20

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Solution

The fourth proportional to 78,284,209.44, 117,379,800.72 and 29,765,611.20 is: 44,630,731.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,284,209.44 : 117,379,800.72 = 29,765,611.20 : x
  2. Step 2: Convert to fraction form
    78,284,209.44/117,379,800.72 = 29,765,611.20/x
  3. Step 3: Cross multiply
    78,284,209.44x = 117,379,800.72 × 29,765,611.20
  4. Step 4: Simplify right side
    78,284,209.44x = 3,493,881,510,965,000
  5. Step 5: Solve for x
    x = 3,493,881,510,965,000/78,284,209.44
  6. Step 6: Final answer
    x = 44,630,731.23

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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.