Home / 53,801,998.20-80,702,997.30-49,644,948.60

Finding the Fourth Proportional to 53,801,998.20, 80,702,997.30 and 49,644,948.60

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Solution

The fourth proportional to 53,801,998.20, 80,702,997.30 and 49,644,948.60 is: 74,467,422.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,801,998.20 : 80,702,997.30 = 49,644,948.60 : x
  2. Step 2: Convert to fraction form
    53,801,998.20/80,702,997.30 = 49,644,948.60/x
  3. Step 3: Cross multiply
    53,801,998.20x = 80,702,997.30 × 49,644,948.60
  4. Step 4: Simplify right side
    53,801,998.20x = 4,006,496,152,824,439
  5. Step 5: Solve for x
    x = 4,006,496,152,824,439/53,801,998.20
  6. Step 6: Final answer
    x = 74,467,422.90

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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.