Home / 66,414,161.58-91,653,821.83-38,534,766.72

Finding the Fourth Proportional to 66,414,161.58, 91,653,821.83 and 38,534,766.72

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Solution

The fourth proportional to 66,414,161.58, 91,653,821.83 and 38,534,766.72 is: 53,179,300.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,414,161.58 : 91,653,821.83 = 38,534,766.72 : x
  2. Step 2: Convert to fraction form
    66,414,161.58/91,653,821.83 = 38,534,766.72/x
  3. Step 3: Cross multiply
    66,414,161.58x = 91,653,821.83 × 38,534,766.72
  4. Step 4: Simplify right side
    66,414,161.58x = 3,531,858,643,215,493.50
  5. Step 5: Solve for x
    x = 3,531,858,643,215,493.50/66,414,161.58
  6. Step 6: Final answer
    x = 53,179,300.31

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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.