Home / 252,659,828.70-378,989,743.05-123,200,801.10

Finding the Fourth Proportional to 252,659,828.70, 378,989,743.05 and 123,200,801.10

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Solution

The fourth proportional to 252,659,828.70, 378,989,743.05 and 123,200,801.10 is: 184,801,201.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,659,828.70 : 378,989,743.05 = 123,200,801.10 : x
  2. Step 2: Convert to fraction form
    252,659,828.70/378,989,743.05 = 123,200,801.10/x
  3. Step 3: Cross multiply
    252,659,828.70x = 378,989,743.05 × 123,200,801.10
  4. Step 4: Simplify right side
    252,659,828.70x = 46,691,839,952,443,160
  5. Step 5: Solve for x
    x = 46,691,839,952,443,160/252,659,828.70
  6. Step 6: Final answer
    x = 184,801,201.65

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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.