Home / 50,543,998.20-75,815,997.30-39,794,455.80

Finding the Fourth Proportional to 50,543,998.20, 75,815,997.30 and 39,794,455.80

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Solution

The fourth proportional to 50,543,998.20, 75,815,997.30 and 39,794,455.80 is: 59,691,683.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,543,998.20 : 75,815,997.30 = 39,794,455.80 : x
  2. Step 2: Convert to fraction form
    50,543,998.20/75,815,997.30 = 39,794,455.80/x
  3. Step 3: Cross multiply
    50,543,998.20x = 75,815,997.30 × 39,794,455.80
  4. Step 4: Simplify right side
    50,543,998.20x = 3,017,056,353,487,769
  5. Step 5: Solve for x
    x = 3,017,056,353,487,769/50,543,998.20
  6. Step 6: Final answer
    x = 59,691,683.70

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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.