Home / 53,990,965.70-80,993,552.55-19,936,232.90

Finding the Fourth Proportional to 53,990,965.70, 80,993,552.55 and 19,936,232.90

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Solution

The fourth proportional to 53,990,965.70, 80,993,552.55 and 19,936,232.90 is: 29,906,972.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,990,965.70 : 80,993,552.55 = 19,936,232.90 : x
  2. Step 2: Convert to fraction form
    53,990,965.70/80,993,552.55 = 19,936,232.90/x
  3. Step 3: Cross multiply
    53,990,965.70x = 80,993,552.55 × 19,936,232.90
  4. Step 4: Simplify right side
    53,990,965.70x = 1,614,706,327,035,188.75
  5. Step 5: Solve for x
    x = 1,614,706,327,035,188.75/53,990,965.70
  6. Step 6: Final answer
    x = 29,906,972.51

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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.