Home / 298,280,820.58-411,640,290.29-166,121,795.90

Finding the Fourth Proportional to 298,280,820.58, 411,640,290.29 and 166,121,795.90

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Solution

The fourth proportional to 298,280,820.58, 411,640,290.29 and 166,121,795.90 is: 229,255,183.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,280,820.58 : 411,640,290.29 = 166,121,795.90 : x
  2. Step 2: Convert to fraction form
    298,280,820.58/411,640,290.29 = 166,121,795.90/x
  3. Step 3: Cross multiply
    298,280,820.58x = 411,640,290.29 × 166,121,795.90
  4. Step 4: Simplify right side
    298,280,820.58x = 68,382,424,287,970,632
  5. Step 5: Solve for x
    x = 68,382,424,287,970,632/298,280,820.58
  6. Step 6: Final answer
    x = 229,255,183.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.