Home / 254,628,099.60-381,942,178.99-79,764,760.01

Finding the Fourth Proportional to 254,628,099.60, 381,942,178.99 and 79,764,760.01

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Solution

The fourth proportional to 254,628,099.60, 381,942,178.99 and 79,764,760.01 is: 119,647,149.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,628,099.60 : 381,942,178.99 = 79,764,760.01 : x
  2. Step 2: Convert to fraction form
    254,628,099.60/381,942,178.99 = 79,764,760.01/x
  3. Step 3: Cross multiply
    254,628,099.60x = 381,942,178.99 × 79,764,760.01
  4. Step 4: Simplify right side
    254,628,099.60x = 30,465,526,244,833,816
  5. Step 5: Solve for x
    x = 30,465,526,244,833,816/254,628,099.60
  6. Step 6: Final answer
    x = 119,647,149.28

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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.