Home / 203,347,005.12-304,946,683.20-111,298,760.64

Finding the Fourth Proportional to 203,347,005.12, 304,946,683.20 and 111,298,760.64

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Solution

The fourth proportional to 203,347,005.12, 304,946,683.20 and 111,298,760.64 is: 166,907,734.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,347,005.12 : 304,946,683.20 = 111,298,760.64 : x
  2. Step 2: Convert to fraction form
    203,347,005.12/304,946,683.20 = 111,298,760.64/x
  3. Step 3: Cross multiply
    203,347,005.12x = 304,946,683.20 × 111,298,760.64
  4. Step 4: Simplify right side
    203,347,005.12x = 33,940,187,901,438,708
  5. Step 5: Solve for x
    x = 33,940,187,901,438,708/203,347,005.12
  6. Step 6: Final answer
    x = 166,907,734.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.