Home / 251,390,103.48-376,840,597.50-120,198,286.62

Finding the Fourth Proportional to 251,390,103.48, 376,840,597.50 and 120,198,286.62

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Solution

The fourth proportional to 251,390,103.48, 376,840,597.50 and 120,198,286.62 is: 180,180,498.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,390,103.48 : 376,840,597.50 = 120,198,286.62 : x
  2. Step 2: Convert to fraction form
    251,390,103.48/376,840,597.50 = 120,198,286.62/x
  3. Step 3: Cross multiply
    251,390,103.48x = 376,840,597.50 × 120,198,286.62
  4. Step 4: Simplify right side
    251,390,103.48x = 45,295,594,148,357,056
  5. Step 5: Solve for x
    x = 45,295,594,148,357,056/251,390,103.48
  6. Step 6: Final answer
    x = 180,180,498.44

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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.