Home / 159,540,963.93-220,166,530.92-86,202,105.93

Finding the Fourth Proportional to 159,540,963.93, 220,166,530.92 and 86,202,105.93

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Solution

The fourth proportional to 159,540,963.93, 220,166,530.92 and 86,202,105.93 is: 118,958,906.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,540,963.93 : 220,166,530.92 = 86,202,105.93 : x
  2. Step 2: Convert to fraction form
    159,540,963.93/220,166,530.92 = 86,202,105.93/x
  3. Step 3: Cross multiply
    159,540,963.93x = 220,166,530.92 × 86,202,105.93
  4. Step 4: Simplify right side
    159,540,963.93x = 18,978,818,620,606,460
  5. Step 5: Solve for x
    x = 18,978,818,620,606,460/159,540,963.93
  6. Step 6: Final answer
    x = 118,958,906.56

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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.