Home / 277,066,629.70-415,664,621.43-80,334,158.02

Finding the Fourth Proportional to 277,066,629.70, 415,664,621.43 and 80,334,158.02

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Solution

The fourth proportional to 277,066,629.70, 415,664,621.43 and 80,334,158.02 is: 120,519,989.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,066,629.70 : 415,664,621.43 = 80,334,158.02 : x
  2. Step 2: Convert to fraction form
    277,066,629.70/415,664,621.43 = 80,334,158.02/x
  3. Step 3: Cross multiply
    277,066,629.70x = 415,664,621.43 × 80,334,158.02
  4. Step 4: Simplify right side
    277,066,629.70x = 33,392,067,381,281,096
  5. Step 5: Solve for x
    x = 33,392,067,381,281,096/277,066,629.70
  6. Step 6: Final answer
    x = 120,519,989.79

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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.