Home / 219,844,951.20-329,767,426.80-133,609,791.60

Finding the Fourth Proportional to 219,844,951.20, 329,767,426.80 and 133,609,791.60

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Solution

The fourth proportional to 219,844,951.20, 329,767,426.80 and 133,609,791.60 is: 200,414,687.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,844,951.20 : 329,767,426.80 = 133,609,791.60 : x
  2. Step 2: Convert to fraction form
    219,844,951.20/329,767,426.80 = 133,609,791.60/x
  3. Step 3: Cross multiply
    219,844,951.20x = 329,767,426.80 × 133,609,791.60
  4. Step 4: Simplify right side
    219,844,951.20x = 44,060,157,171,216,256
  5. Step 5: Solve for x
    x = 44,060,157,171,216,256/219,844,951.20
  6. Step 6: Final answer
    x = 200,414,687.40

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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.