Home / 117,101,087.82-161,600,463.96-64,890,995.37

Finding the Fourth Proportional to 117,101,087.82, 161,600,463.96 and 64,890,995.37

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Solution

The fourth proportional to 117,101,087.82, 161,600,463.96 and 64,890,995.37 is: 89,550,107.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,101,087.82 : 161,600,463.96 = 64,890,995.37 : x
  2. Step 2: Convert to fraction form
    117,101,087.82/161,600,463.96 = 64,890,995.37/x
  3. Step 3: Cross multiply
    117,101,087.82x = 161,600,463.96 × 64,890,995.37
  4. Step 4: Simplify right side
    117,101,087.82x = 10,486,414,958,618,212
  5. Step 5: Solve for x
    x = 10,486,414,958,618,212/117,101,087.82
  6. Step 6: Final answer
    x = 89,550,107.12

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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.