Home / 378,016,269.12-567,056,414.88-105,387,298.56

Finding the Fourth Proportional to 378,016,269.12, 567,056,414.88 and 105,387,298.56

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Solution

The fourth proportional to 378,016,269.12, 567,056,414.88 and 105,387,298.56 is: 158,089,872.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,016,269.12 : 567,056,414.88 = 105,387,298.56 : x
  2. Step 2: Convert to fraction form
    378,016,269.12/567,056,414.88 = 105,387,298.56/x
  3. Step 3: Cross multiply
    378,016,269.12x = 567,056,414.88 × 105,387,298.56
  4. Step 4: Simplify right side
    378,016,269.12x = 59,760,543,695,321,784
  5. Step 5: Solve for x
    x = 59,760,543,695,321,784/378,016,269.12
  6. Step 6: Final answer
    x = 158,089,872.25

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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.