Home / 208,705,201.20-313,057,801.80-132,114,711.60

Finding the Fourth Proportional to 208,705,201.20, 313,057,801.80 and 132,114,711.60

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Solution

The fourth proportional to 208,705,201.20, 313,057,801.80 and 132,114,711.60 is: 198,172,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,705,201.20 : 313,057,801.80 = 132,114,711.60 : x
  2. Step 2: Convert to fraction form
    208,705,201.20/313,057,801.80 = 132,114,711.60/x
  3. Step 3: Cross multiply
    208,705,201.20x = 313,057,801.80 × 132,114,711.60
  4. Step 4: Simplify right side
    208,705,201.20x = 41,359,541,198,936,960
  5. Step 5: Solve for x
    x = 41,359,541,198,936,960/208,705,201.20
  6. Step 6: Final answer
    x = 198,172,067.40

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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.