Home / 66,414,191.54-91,653,863.37-38,534,796.50

Finding the Fourth Proportional to 66,414,191.54, 91,653,863.37 and 38,534,796.50

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Solution

The fourth proportional to 66,414,191.54, 91,653,863.37 and 38,534,796.50 is: 53,179,341.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,414,191.54 : 91,653,863.37 = 38,534,796.50 : x
  2. Step 2: Convert to fraction form
    66,414,191.54/91,653,863.37 = 38,534,796.50/x
  3. Step 3: Cross multiply
    66,414,191.54x = 91,653,863.37 × 38,534,796.50
  4. Step 4: Simplify right side
    66,414,191.54x = 3,531,862,973,401,754.50
  5. Step 5: Solve for x
    x = 3,531,862,973,401,754.50/66,414,191.54
  6. Step 6: Final answer
    x = 53,179,341.52

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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.