Home / 68,990,002.80-103,556,781.57-50,814,720.60

Finding the Fourth Proportional to 68,990,002.80, 103,556,781.57 and 50,814,720.60

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Solution

The fourth proportional to 68,990,002.80, 103,556,781.57 and 50,814,720.60 is: 76,274,948.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,990,002.80 : 103,556,781.57 = 50,814,720.60 : x
  2. Step 2: Convert to fraction form
    68,990,002.80/103,556,781.57 = 50,814,720.60/x
  3. Step 3: Cross multiply
    68,990,002.80x = 103,556,781.57 × 50,814,720.60
  4. Step 4: Simplify right side
    68,990,002.80x = 5,262,208,921,714,779
  5. Step 5: Solve for x
    x = 5,262,208,921,714,779/68,990,002.80
  6. Step 6: Final answer
    x = 76,274,948.66

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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.