Home / 252,833,221.80-379,275,092.55-68,603,622.30

Finding the Fourth Proportional to 252,833,221.80, 379,275,092.55 and 68,603,622.30

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Solution

The fourth proportional to 252,833,221.80, 379,275,092.55 and 68,603,622.30 is: 102,912,287.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,833,221.80 : 379,275,092.55 = 68,603,622.30 : x
  2. Step 2: Convert to fraction form
    252,833,221.80/379,275,092.55 = 68,603,622.30/x
  3. Step 3: Cross multiply
    252,833,221.80x = 379,275,092.55 × 68,603,622.30
  4. Step 4: Simplify right side
    252,833,221.80x = 26,019,645,197,097,744
  5. Step 5: Solve for x
    x = 26,019,645,197,097,744/252,833,221.80
  6. Step 6: Final answer
    x = 102,912,287.44

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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.