Home / 66,803,990.80-100,205,986.20-41,294,822.80

Finding the Fourth Proportional to 66,803,990.80, 100,205,986.20 and 41,294,822.80

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Solution

The fourth proportional to 66,803,990.80, 100,205,986.20 and 41,294,822.80 is: 61,942,234.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,803,990.80 : 100,205,986.20 = 41,294,822.80 : x
  2. Step 2: Convert to fraction form
    66,803,990.80/100,205,986.20 = 41,294,822.80/x
  3. Step 3: Cross multiply
    66,803,990.80x = 100,205,986.20 × 41,294,822.80
  4. Step 4: Simplify right side
    66,803,990.80x = 4,137,988,443,628,245
  5. Step 5: Solve for x
    x = 4,137,988,443,628,245/66,803,990.80
  6. Step 6: Final answer
    x = 61,942,234.20

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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.