Home / 128,326,628.20-192,489,942.30-98,093,540.20

Finding the Fourth Proportional to 128,326,628.20, 192,489,942.30 and 98,093,540.20

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Solution

The fourth proportional to 128,326,628.20, 192,489,942.30 and 98,093,540.20 is: 147,140,310.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,326,628.20 : 192,489,942.30 = 98,093,540.20 : x
  2. Step 2: Convert to fraction form
    128,326,628.20/192,489,942.30 = 98,093,540.20/x
  3. Step 3: Cross multiply
    128,326,628.20x = 192,489,942.30 × 98,093,540.20
  4. Step 4: Simplify right side
    128,326,628.20x = 18,882,019,893,100,732
  5. Step 5: Solve for x
    x = 18,882,019,893,100,732/128,326,628.20
  6. Step 6: Final answer
    x = 147,140,310.30

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1.5x scale

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.