Home / 277,066,629.58-415,664,621.24-80,334,157.90

Finding the Fourth Proportional to 277,066,629.58, 415,664,621.24 and 80,334,157.90

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Solution

The fourth proportional to 277,066,629.58, 415,664,621.24 and 80,334,157.90 is: 120,519,989.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,066,629.58 : 415,664,621.24 = 80,334,157.90 : x
  2. Step 2: Convert to fraction form
    277,066,629.58/415,664,621.24 = 80,334,157.90/x
  3. Step 3: Cross multiply
    277,066,629.58x = 415,664,621.24 × 80,334,157.90
  4. Step 4: Simplify right side
    277,066,629.58x = 33,392,067,314,260,364
  5. Step 5: Solve for x
    x = 33,392,067,314,260,364/277,066,629.58
  6. Step 6: Final answer
    x = 120,519,989.60

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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.