Home / 172,456,311.60-258,259,314.60-114,635,530.80

Finding the Fourth Proportional to 172,456,311.60, 258,259,314.60 and 114,635,530.80

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Solution

The fourth proportional to 172,456,311.60, 258,259,314.60 and 114,635,530.80 is: 171,670,687.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,456,311.60 : 258,259,314.60 = 114,635,530.80 : x
  2. Step 2: Convert to fraction form
    172,456,311.60/258,259,314.60 = 114,635,530.80/x
  3. Step 3: Cross multiply
    172,456,311.60x = 258,259,314.60 × 114,635,530.80
  4. Step 4: Simplify right side
    172,456,311.60x = 29,605,693,613,215,188
  5. Step 5: Solve for x
    x = 29,605,693,613,215,188/172,456,311.60
  6. Step 6: Final answer
    x = 171,670,687.72

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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.