Home / 157,777,063.98-217,753,977.84-90,794,645.54

Finding the Fourth Proportional to 157,777,063.98, 217,753,977.84 and 90,794,645.54

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Solution

The fourth proportional to 157,777,063.98, 217,753,977.84 and 90,794,645.54 is: 125,309,057.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,777,063.98 : 217,753,977.84 = 90,794,645.54 : x
  2. Step 2: Convert to fraction form
    157,777,063.98/217,753,977.84 = 90,794,645.54/x
  3. Step 3: Cross multiply
    157,777,063.98x = 217,753,977.84 × 90,794,645.54
  4. Step 4: Simplify right side
    157,777,063.98x = 19,770,895,232,907,816
  5. Step 5: Solve for x
    x = 19,770,895,232,907,816/157,777,063.98
  6. Step 6: Final answer
    x = 125,309,057.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.