Home / 325,865,229.10-489,364,714.05-172,810,221.10

Finding the Fourth Proportional to 325,865,229.10, 489,364,714.05 and 172,810,221.10

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Solution

The fourth proportional to 325,865,229.10, 489,364,714.05 and 172,810,221.10 is: 259,515,949.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,865,229.10 : 489,364,714.05 = 172,810,221.10 : x
  2. Step 2: Convert to fraction form
    325,865,229.10/489,364,714.05 = 172,810,221.10/x
  3. Step 3: Cross multiply
    325,865,229.10x = 489,364,714.05 × 172,810,221.10
  4. Step 4: Simplify right side
    325,865,229.10x = 84,567,224,433,518,768
  5. Step 5: Solve for x
    x = 84,567,224,433,518,768/325,865,229.10
  6. Step 6: Final answer
    x = 259,515,949.79

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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.