Home / 220,990,438.80-331,485,658.20-134,896,996.80

Finding the Fourth Proportional to 220,990,438.80, 331,485,658.20 and 134,896,996.80

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Solution

The fourth proportional to 220,990,438.80, 331,485,658.20 and 134,896,996.80 is: 202,345,495.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,990,438.80 : 331,485,658.20 = 134,896,996.80 : x
  2. Step 2: Convert to fraction form
    220,990,438.80/331,485,658.20 = 134,896,996.80/x
  3. Step 3: Cross multiply
    220,990,438.80x = 331,485,658.20 × 134,896,996.80
  4. Step 4: Simplify right side
    220,990,438.80x = 44,716,419,773,451,296
  5. Step 5: Solve for x
    x = 44,716,419,773,451,296/220,990,438.80
  6. Step 6: Final answer
    x = 202,345,495.20

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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.