Home / 80,825,889.10-121,315,482.90-50,027,305.44

Finding the Fourth Proportional to 80,825,889.10, 121,315,482.90 and 50,027,305.44

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Solution

The fourth proportional to 80,825,889.10, 121,315,482.90 and 50,027,305.44 is: 75,088,400.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,825,889.10 : 121,315,482.90 = 50,027,305.44 : x
  2. Step 2: Convert to fraction form
    80,825,889.10/121,315,482.90 = 50,027,305.44/x
  3. Step 3: Cross multiply
    80,825,889.10x = 121,315,482.90 × 50,027,305.44
  4. Step 4: Simplify right side
    80,825,889.10x = 6,069,086,717,639,397
  5. Step 5: Solve for x
    x = 6,069,086,717,639,397/80,825,889.10
  6. Step 6: Final answer
    x = 75,088,400.33

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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.