Home / 220,990,440.30-331,485,660.45-134,896,998.30

Finding the Fourth Proportional to 220,990,440.30, 331,485,660.45 and 134,896,998.30

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Solution

The fourth proportional to 220,990,440.30, 331,485,660.45 and 134,896,998.30 is: 202,345,497.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,990,440.30 : 331,485,660.45 = 134,896,998.30 : x
  2. Step 2: Convert to fraction form
    220,990,440.30/331,485,660.45 = 134,896,998.30/x
  3. Step 3: Cross multiply
    220,990,440.30x = 331,485,660.45 × 134,896,998.30
  4. Step 4: Simplify right side
    220,990,440.30x = 44,716,420,574,198,032
  5. Step 5: Solve for x
    x = 44,716,420,574,198,032/220,990,440.30
  6. Step 6: Final answer
    x = 202,345,497.45

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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.