Home / 66,261,799.08-91,440,190.86-38,764,385.64

Finding the Fourth Proportional to 66,261,799.08, 91,440,190.86 and 38,764,385.64

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Solution

The fourth proportional to 66,261,799.08, 91,440,190.86 and 38,764,385.64 is: 53,494,213.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,261,799.08 : 91,440,190.86 = 38,764,385.64 : x
  2. Step 2: Convert to fraction form
    66,261,799.08/91,440,190.86 = 38,764,385.64/x
  3. Step 3: Cross multiply
    66,261,799.08x = 91,440,190.86 × 38,764,385.64
  4. Step 4: Simplify right side
    66,261,799.08x = 3,544,622,821,492,243.50
  5. Step 5: Solve for x
    x = 3,544,622,821,492,243.50/66,261,799.08
  6. Step 6: Final answer
    x = 53,494,213.42

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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.