Home / 321,171,888.20-443,217,205.20-181,942,649.52

Finding the Fourth Proportional to 321,171,888.20, 443,217,205.20 and 181,942,649.52

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Solution

The fourth proportional to 321,171,888.20, 443,217,205.20 and 181,942,649.52 is: 251,080,856.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,171,888.20 : 443,217,205.20 = 181,942,649.52 : x
  2. Step 2: Convert to fraction form
    321,171,888.20/443,217,205.20 = 181,942,649.52/x
  3. Step 3: Cross multiply
    321,171,888.20x = 443,217,205.20 × 181,942,649.52
  4. Step 4: Simplify right side
    321,171,888.20x = 80,640,112,626,937,520
  5. Step 5: Solve for x
    x = 80,640,112,626,937,520/321,171,888.20
  6. Step 6: Final answer
    x = 251,080,856.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.