Home / 80,825,993.52-121,315,639.44-50,027,409.90

Finding the Fourth Proportional to 80,825,993.52, 121,315,639.44 and 50,027,409.90

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Solution

The fourth proportional to 80,825,993.52, 121,315,639.44 and 50,027,409.90 is: 75,088,557.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,825,993.52 : 121,315,639.44 = 50,027,409.90 : x
  2. Step 2: Convert to fraction form
    80,825,993.52/121,315,639.44 = 50,027,409.90/x
  3. Step 3: Cross multiply
    80,825,993.52x = 121,315,639.44 × 50,027,409.90
  4. Step 4: Simplify right side
    80,825,993.52x = 6,069,107,221,545,486
  5. Step 5: Solve for x
    x = 6,069,107,221,545,486/80,825,993.52
  6. Step 6: Final answer
    x = 75,088,557.00

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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.