Home / 66,419,443.20-99,647,827.20-32,341,900.80

Finding the Fourth Proportional to 66,419,443.20, 99,647,827.20 and 32,341,900.80

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Solution

The fourth proportional to 66,419,443.20, 99,647,827.20 and 32,341,900.80 is: 48,521,938.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,419,443.20 : 99,647,827.20 = 32,341,900.80 : x
  2. Step 2: Convert to fraction form
    66,419,443.20/99,647,827.20 = 32,341,900.80/x
  3. Step 3: Cross multiply
    66,419,443.20x = 99,647,827.20 × 32,341,900.80
  4. Step 4: Simplify right side
    66,419,443.20x = 3,222,800,142,237,942
  5. Step 5: Solve for x
    x = 3,222,800,142,237,942/66,419,443.20
  6. Step 6: Final answer
    x = 48,521,938.56

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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.