Home / 132,922,338.30-199,588,793.85-72,456,162.30

Finding the Fourth Proportional to 132,922,338.30, 199,588,793.85 and 72,456,162.30

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Solution

The fourth proportional to 132,922,338.30, 199,588,793.85 and 72,456,162.30 is: 108,796,145.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,922,338.30 : 199,588,793.85 = 72,456,162.30 : x
  2. Step 2: Convert to fraction form
    132,922,338.30/199,588,793.85 = 72,456,162.30/x
  3. Step 3: Cross multiply
    132,922,338.30x = 199,588,793.85 × 72,456,162.30
  4. Step 4: Simplify right side
    132,922,338.30x = 14,461,438,040,456,840
  5. Step 5: Solve for x
    x = 14,461,438,040,456,840/132,922,338.30
  6. Step 6: Final answer
    x = 108,796,145.37

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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.