Home / 167,840,638.18-229,942,494.53-161,550,016.72

Finding the Fourth Proportional to 167,840,638.18, 229,942,494.53 and 161,550,016.72

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Solution

The fourth proportional to 167,840,638.18, 229,942,494.53 and 161,550,016.72 is: 221,324,312.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,840,638.18 : 229,942,494.53 = 161,550,016.72 : x
  2. Step 2: Convert to fraction form
    167,840,638.18/229,942,494.53 = 161,550,016.72/x
  3. Step 3: Cross multiply
    167,840,638.18x = 229,942,494.53 × 161,550,016.72
  4. Step 4: Simplify right side
    167,840,638.18x = 37,147,213,835,960,008
  5. Step 5: Solve for x
    x = 37,147,213,835,960,008/167,840,638.18
  6. Step 6: Final answer
    x = 221,324,312.39

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.