Home / 80,790,208.20-121,364,673.03-50,107,462.02

Finding the Fourth Proportional to 80,790,208.20, 121,364,673.03 and 50,107,462.02

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Solution

The fourth proportional to 80,790,208.20, 121,364,673.03 and 50,107,462.02 is: 75,272,435.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,790,208.20 : 121,364,673.03 = 50,107,462.02 : x
  2. Step 2: Convert to fraction form
    80,790,208.20/121,364,673.03 = 50,107,462.02/x
  3. Step 3: Cross multiply
    80,790,208.20x = 121,364,673.03 × 50,107,462.02
  4. Step 4: Simplify right side
    80,790,208.20x = 6,081,275,744,420,444
  5. Step 5: Solve for x
    x = 6,081,275,744,420,444/80,790,208.20
  6. Step 6: Final answer
    x = 75,272,435.61

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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.