Home / 214,629,648.80-321,944,473.20-198,048,689.60

Finding the Fourth Proportional to 214,629,648.80, 321,944,473.20 and 198,048,689.60

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Solution

The fourth proportional to 214,629,648.80, 321,944,473.20 and 198,048,689.60 is: 297,073,034.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,629,648.80 : 321,944,473.20 = 198,048,689.60 : x
  2. Step 2: Convert to fraction form
    214,629,648.80/321,944,473.20 = 198,048,689.60/x
  3. Step 3: Cross multiply
    214,629,648.80x = 321,944,473.20 × 198,048,689.60
  4. Step 4: Simplify right side
    214,629,648.80x = 63,760,681,041,222,312
  5. Step 5: Solve for x
    x = 63,760,681,041,222,312/214,629,648.80
  6. Step 6: Final answer
    x = 297,073,034.40

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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.