Home / 250,419,135.76-375,628,715.32-171,557,879.19

Finding the Fourth Proportional to 250,419,135.76, 375,628,715.32 and 171,557,879.19

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Solution

The fourth proportional to 250,419,135.76, 375,628,715.32 and 171,557,879.19 is: 257,336,826.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,419,135.76 : 375,628,715.32 = 171,557,879.19 : x
  2. Step 2: Convert to fraction form
    250,419,135.76/375,628,715.32 = 171,557,879.19/x
  3. Step 3: Cross multiply
    250,419,135.76x = 375,628,715.32 × 171,557,879.19
  4. Step 4: Simplify right side
    250,419,135.76x = 64,442,065,764,531,424
  5. Step 5: Solve for x
    x = 64,442,065,764,531,424/250,419,135.76
  6. Step 6: Final answer
    x = 257,336,826.79

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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.