Home / 307,690,615.20-461,535,922.80-92,279,863.20

Finding the Fourth Proportional to 307,690,615.20, 461,535,922.80 and 92,279,863.20

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Solution

The fourth proportional to 307,690,615.20, 461,535,922.80 and 92,279,863.20 is: 138,419,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,690,615.20 : 461,535,922.80 = 92,279,863.20 : x
  2. Step 2: Convert to fraction form
    307,690,615.20/461,535,922.80 = 92,279,863.20/x
  3. Step 3: Cross multiply
    307,690,615.20x = 461,535,922.80 × 92,279,863.20
  4. Step 4: Simplify right side
    307,690,615.20x = 42,590,471,817,869,760
  5. Step 5: Solve for x
    x = 42,590,471,817,869,760/307,690,615.20
  6. Step 6: Final answer
    x = 138,419,794.80

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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.