Home / 66,261,804.33-91,440,198.11-38,764,390.89

Finding the Fourth Proportional to 66,261,804.33, 91,440,198.11 and 38,764,390.89

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Solution

The fourth proportional to 66,261,804.33, 91,440,198.11 and 38,764,390.89 is: 53,494,220.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,261,804.33 : 91,440,198.11 = 38,764,390.89 : x
  2. Step 2: Convert to fraction form
    66,261,804.33/91,440,198.11 = 38,764,390.89/x
  3. Step 3: Cross multiply
    66,261,804.33x = 91,440,198.11 × 38,764,390.89
  4. Step 4: Simplify right side
    66,261,804.33x = 3,544,623,582,401,257.50
  5. Step 5: Solve for x
    x = 3,544,623,582,401,257.50/66,261,804.33
  6. Step 6: Final answer
    x = 53,494,220.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.