Home / 50,498,718.80-75,751,278.34-21,347,124.78

Finding the Fourth Proportional to 50,498,718.80, 75,751,278.34 and 21,347,124.78

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Solution

The fourth proportional to 50,498,718.80, 75,751,278.34 and 21,347,124.78 is: 32,022,039.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,498,718.80 : 75,751,278.34 = 21,347,124.78 : x
  2. Step 2: Convert to fraction form
    50,498,718.80/75,751,278.34 = 21,347,124.78/x
  3. Step 3: Cross multiply
    50,498,718.80x = 75,751,278.34 × 21,347,124.78
  4. Step 4: Simplify right side
    50,498,718.80x = 1,617,071,990,968,491.50
  5. Step 5: Solve for x
    x = 1,617,071,990,968,491.50/50,498,718.80
  6. Step 6: Final answer
    x = 32,022,039.95

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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.