Home / 263,041,231.30-394,561,846.95-71,565,007.30

Finding the Fourth Proportional to 263,041,231.30, 394,561,846.95 and 71,565,007.30

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Solution

The fourth proportional to 263,041,231.30, 394,561,846.95 and 71,565,007.30 is: 107,347,510.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,041,231.30 : 394,561,846.95 = 71,565,007.30 : x
  2. Step 2: Convert to fraction form
    263,041,231.30/394,561,846.95 = 71,565,007.30/x
  3. Step 3: Cross multiply
    263,041,231.30x = 394,561,846.95 × 71,565,007.30
  4. Step 4: Simplify right side
    263,041,231.30x = 28,236,821,457,278,232
  5. Step 5: Solve for x
    x = 28,236,821,457,278,232/263,041,231.30
  6. Step 6: Final answer
    x = 107,347,510.95

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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.