Home / 217,762,786.40-327,022,093.20-115,726,114.40

Finding the Fourth Proportional to 217,762,786.40, 327,022,093.20 and 115,726,114.40

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Solution

The fourth proportional to 217,762,786.40, 327,022,093.20 and 115,726,114.40 is: 173,790,006.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,762,786.40 : 327,022,093.20 = 115,726,114.40 : x
  2. Step 2: Convert to fraction form
    217,762,786.40/327,022,093.20 = 115,726,114.40/x
  3. Step 3: Cross multiply
    217,762,786.40x = 327,022,093.20 × 115,726,114.40
  4. Step 4: Simplify right side
    217,762,786.40x = 37,844,996,168,990,664
  5. Step 5: Solve for x
    x = 37,844,996,168,990,664/217,762,786.40
  6. Step 6: Final answer
    x = 173,790,006.98

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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.