Home / 214,629,647.80-321,944,471.70-198,048,688.60

Finding the Fourth Proportional to 214,629,647.80, 321,944,471.70 and 198,048,688.60

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Solution

The fourth proportional to 214,629,647.80, 321,944,471.70 and 198,048,688.60 is: 297,073,032.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,629,647.80 : 321,944,471.70 = 198,048,688.60 : x
  2. Step 2: Convert to fraction form
    214,629,647.80/321,944,471.70 = 198,048,688.60/x
  3. Step 3: Cross multiply
    214,629,647.80x = 321,944,471.70 × 198,048,688.60
  4. Step 4: Simplify right side
    214,629,647.80x = 63,760,680,422,204,808
  5. Step 5: Solve for x
    x = 63,760,680,422,204,808/214,629,647.80
  6. Step 6: Final answer
    x = 297,073,032.90

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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.