Home / 120,299,523.22-166,008,896.66-65,294,198.74

Finding the Fourth Proportional to 120,299,523.22, 166,008,896.66 and 65,294,198.74

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Solution

The fourth proportional to 120,299,523.22, 166,008,896.66 and 65,294,198.74 is: 90,103,581.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,299,523.22 : 166,008,896.66 = 65,294,198.74 : x
  2. Step 2: Convert to fraction form
    120,299,523.22/166,008,896.66 = 65,294,198.74/x
  3. Step 3: Cross multiply
    120,299,523.22x = 166,008,896.66 × 65,294,198.74
  4. Step 4: Simplify right side
    120,299,523.22x = 10,839,417,891,126,162
  5. Step 5: Solve for x
    x = 10,839,417,891,126,162/120,299,523.22
  6. Step 6: Final answer
    x = 90,103,581.47

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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.