Home / 231,296,999.40-346,945,499.10-221,093,332.20

Finding the Fourth Proportional to 231,296,999.40, 346,945,499.10 and 221,093,332.20

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Solution

The fourth proportional to 231,296,999.40, 346,945,499.10 and 221,093,332.20 is: 331,639,998.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,296,999.40 : 346,945,499.10 = 221,093,332.20 : x
  2. Step 2: Convert to fraction form
    231,296,999.40/346,945,499.10 = 221,093,332.20/x
  3. Step 3: Cross multiply
    231,296,999.40x = 346,945,499.10 × 221,093,332.20
  4. Step 4: Simplify right side
    231,296,999.40x = 76,707,336,487,811,104
  5. Step 5: Solve for x
    x = 76,707,336,487,811,104/231,296,999.40
  6. Step 6: Final answer
    x = 331,639,998.30

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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.