Home / 252,752,743.80-379,129,115.70-206,836,241.40

Finding the Fourth Proportional to 252,752,743.80, 379,129,115.70 and 206,836,241.40

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Solution

The fourth proportional to 252,752,743.80, 379,129,115.70 and 206,836,241.40 is: 310,254,362.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,752,743.80 : 379,129,115.70 = 206,836,241.40 : x
  2. Step 2: Convert to fraction form
    252,752,743.80/379,129,115.70 = 206,836,241.40/x
  3. Step 3: Cross multiply
    252,752,743.80x = 379,129,115.70 × 206,836,241.40
  4. Step 4: Simplify right side
    252,752,743.80x = 78,417,641,296,693,728
  5. Step 5: Solve for x
    x = 78,417,641,296,693,728/252,752,743.80
  6. Step 6: Final answer
    x = 310,254,362.10

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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.