Home / 250,419,135.74-375,628,715.30-171,557,879.18

Finding the Fourth Proportional to 250,419,135.74, 375,628,715.30 and 171,557,879.18

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Solution

The fourth proportional to 250,419,135.74, 375,628,715.30 and 171,557,879.18 is: 257,336,826.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,419,135.74 : 375,628,715.30 = 171,557,879.18 : x
  2. Step 2: Convert to fraction form
    250,419,135.74/375,628,715.30 = 171,557,879.18/x
  3. Step 3: Cross multiply
    250,419,135.74x = 375,628,715.30 × 171,557,879.18
  4. Step 4: Simplify right side
    250,419,135.74x = 64,442,065,753,883,432
  5. Step 5: Solve for x
    x = 64,442,065,753,883,432/250,419,135.74
  6. Step 6: Final answer
    x = 257,336,826.77

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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.