Home / 219,821,179.56-329,732,906.30-128,880,995.72

Finding the Fourth Proportional to 219,821,179.56, 329,732,906.30 and 128,880,995.72

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Solution

The fourth proportional to 219,821,179.56, 329,732,906.30 and 128,880,995.72 is: 193,322,160.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,821,179.56 : 329,732,906.30 = 128,880,995.72 : x
  2. Step 2: Convert to fraction form
    219,821,179.56/329,732,906.30 = 128,880,995.72/x
  3. Step 3: Cross multiply
    219,821,179.56x = 329,732,906.30 × 128,880,995.72
  4. Step 4: Simplify right side
    219,821,179.56x = 42,496,305,285,593,464
  5. Step 5: Solve for x
    x = 42,496,305,285,593,464/219,821,179.56
  6. Step 6: Final answer
    x = 193,322,160.18

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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.