Home / 66,393,232.80-99,589,849.20-55,055,824.80

Finding the Fourth Proportional to 66,393,232.80, 99,589,849.20 and 55,055,824.80

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Solution

The fourth proportional to 66,393,232.80, 99,589,849.20 and 55,055,824.80 is: 82,583,737.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,393,232.80 : 99,589,849.20 = 55,055,824.80 : x
  2. Step 2: Convert to fraction form
    66,393,232.80/99,589,849.20 = 55,055,824.80/x
  3. Step 3: Cross multiply
    66,393,232.80x = 99,589,849.20 × 55,055,824.80
  4. Step 4: Simplify right side
    66,393,232.80x = 5,483,001,289,413,620
  5. Step 5: Solve for x
    x = 5,483,001,289,413,620/66,393,232.80
  6. Step 6: Final answer
    x = 82,583,737.20

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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.