Home / 220,890,745.20-331,336,117.80-186,878,521.20

Finding the Fourth Proportional to 220,890,745.20, 331,336,117.80 and 186,878,521.20

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Solution

The fourth proportional to 220,890,745.20, 331,336,117.80 and 186,878,521.20 is: 280,317,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,890,745.20 : 331,336,117.80 = 186,878,521.20 : x
  2. Step 2: Convert to fraction form
    220,890,745.20/331,336,117.80 = 186,878,521.20/x
  3. Step 3: Cross multiply
    220,890,745.20x = 331,336,117.80 × 186,878,521.20
  4. Step 4: Simplify right side
    220,890,745.20x = 61,919,603,714,612,992
  5. Step 5: Solve for x
    x = 61,919,603,714,612,992/220,890,745.20
  6. Step 6: Final answer
    x = 280,317,781.80

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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.