Home / 99,855,998.40-149,783,997.60-48,711,691.20

Finding the Fourth Proportional to 99,855,998.40, 149,783,997.60 and 48,711,691.20

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Solution

The fourth proportional to 99,855,998.40, 149,783,997.60 and 48,711,691.20 is: 73,067,536.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,855,998.40 : 149,783,997.60 = 48,711,691.20 : x
  2. Step 2: Convert to fraction form
    99,855,998.40/149,783,997.60 = 48,711,691.20/x
  3. Step 3: Cross multiply
    99,855,998.40x = 149,783,997.60 × 48,711,691.20
  4. Step 4: Simplify right side
    99,855,998.40x = 7,296,231,837,792,741
  5. Step 5: Solve for x
    x = 7,296,231,837,792,741/99,855,998.40
  6. Step 6: Final answer
    x = 73,067,536.80

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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.