Home / 67,067,998.20-100,601,997.30-54,951,143.40

Finding the Fourth Proportional to 67,067,998.20, 100,601,997.30 and 54,951,143.40

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Solution

The fourth proportional to 67,067,998.20, 100,601,997.30 and 54,951,143.40 is: 82,426,715.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,067,998.20 : 100,601,997.30 = 54,951,143.40 : x
  2. Step 2: Convert to fraction form
    67,067,998.20/100,601,997.30 = 54,951,143.40/x
  3. Step 3: Cross multiply
    67,067,998.20x = 100,601,997.30 × 54,951,143.40
  4. Step 4: Simplify right side
    67,067,998.20x = 5,528,194,779,958,713
  5. Step 5: Solve for x
    x = 5,528,194,779,958,713/67,067,998.20
  6. Step 6: Final answer
    x = 82,426,715.10

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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.