Home / 219,728,976.12-330,908,803.34-200,115,813.86

Finding the Fourth Proportional to 219,728,976.12, 330,908,803.34 and 200,115,813.86

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Solution

The fourth proportional to 219,728,976.12, 330,908,803.34 and 200,115,813.86 is: 301,371,651.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,728,976.12 : 330,908,803.34 = 200,115,813.86 : x
  2. Step 2: Convert to fraction form
    219,728,976.12/330,908,803.34 = 200,115,813.86/x
  3. Step 3: Cross multiply
    219,728,976.12x = 330,908,803.34 × 200,115,813.86
  4. Step 4: Simplify right side
    219,728,976.12x = 66,220,084,493,338,416
  5. Step 5: Solve for x
    x = 66,220,084,493,338,416/219,728,976.12
  6. Step 6: Final answer
    x = 301,371,651.86

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.