Home / 199,288,511.40-298,932,767.10-167,039,884.20

Finding the Fourth Proportional to 199,288,511.40, 298,932,767.10 and 167,039,884.20

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Solution

The fourth proportional to 199,288,511.40, 298,932,767.10 and 167,039,884.20 is: 250,559,826.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,288,511.40 : 298,932,767.10 = 167,039,884.20 : x
  2. Step 2: Convert to fraction form
    199,288,511.40/298,932,767.10 = 167,039,884.20/x
  3. Step 3: Cross multiply
    199,288,511.40x = 298,932,767.10 × 167,039,884.20
  4. Step 4: Simplify right side
    199,288,511.40x = 49,933,694,799,969,568
  5. Step 5: Solve for x
    x = 49,933,694,799,969,568/199,288,511.40
  6. Step 6: Final answer
    x = 250,559,826.30

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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.