Home / 171,763,765.20-257,557,390.20-50,579,470.80

Finding the Fourth Proportional to 171,763,765.20, 257,557,390.20 and 50,579,470.80

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Solution

The fourth proportional to 171,763,765.20, 257,557,390.20 and 50,579,470.80 is: 75,843,216.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,763,765.20 : 257,557,390.20 = 50,579,470.80 : x
  2. Step 2: Convert to fraction form
    171,763,765.20/257,557,390.20 = 50,579,470.80/x
  3. Step 3: Cross multiply
    171,763,765.20x = 257,557,390.20 × 50,579,470.80
  4. Step 4: Simplify right side
    171,763,765.20x = 13,027,116,496,945,104
  5. Step 5: Solve for x
    x = 13,027,116,496,945,104/171,763,765.20
  6. Step 6: Final answer
    x = 75,843,216.88

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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.