Home / 198,942,251,214.80-298,413,376,822.20-81,102,184,245.20

Finding the Fourth Proportional to 198,942,251,214.80, 298,413,376,822.20 and 81,102,184,245.20

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Solution

The fourth proportional to 198,942,251,214.80, 298,413,376,822.20 and 81,102,184,245.20 is: 121,653,276,367.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,942,251,214.80 : 298,413,376,822.20 = 81,102,184,245.20 : x
  2. Step 2: Convert to fraction form
    198,942,251,214.80/298,413,376,822.20 = 81,102,184,245.20/x
  3. Step 3: Cross multiply
    198,942,251,214.80x = 298,413,376,822.20 × 81,102,184,245.20
  4. Step 4: Simplify right side
    198,942,251,214.80x = 24,201,976,668,266,359,160,832
  5. Step 5: Solve for x
    x = 24,201,976,668,266,359,160,832/198,942,251,214.80
  6. Step 6: Final answer
    x = 121,653,276,367.80

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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.