Home / 51,259,965.15-76,889,947.73-20,957,757.15

Finding the Fourth Proportional to 51,259,965.15, 76,889,947.73 and 20,957,757.15

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Solution

The fourth proportional to 51,259,965.15, 76,889,947.73 and 20,957,757.15 is: 31,436,635.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,259,965.15 : 76,889,947.73 = 20,957,757.15 : x
  2. Step 2: Convert to fraction form
    51,259,965.15/76,889,947.73 = 20,957,757.15/x
  3. Step 3: Cross multiply
    51,259,965.15x = 76,889,947.73 × 20,957,757.15
  4. Step 4: Simplify right side
    51,259,965.15x = 1,611,440,851,696,744.75
  5. Step 5: Solve for x
    x = 1,611,440,851,696,744.75/51,259,965.15
  6. Step 6: Final answer
    x = 31,436,635.73

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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.