Home / 202,682,336.72-279,694,131.20-109,860,851.60

Finding the Fourth Proportional to 202,682,336.72, 279,694,131.20 and 109,860,851.60

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Solution

The fourth proportional to 202,682,336.72, 279,694,131.20 and 109,860,851.60 is: 151,603,913.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,682,336.72 : 279,694,131.20 = 109,860,851.60 : x
  2. Step 2: Convert to fraction form
    202,682,336.72/279,694,131.20 = 109,860,851.60/x
  3. Step 3: Cross multiply
    202,682,336.72x = 279,694,131.20 × 109,860,851.60
  4. Step 4: Simplify right side
    202,682,336.72x = 30,727,435,441,154,128
  5. Step 5: Solve for x
    x = 30,727,435,441,154,128/202,682,336.72
  6. Step 6: Final answer
    x = 151,603,913.49

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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.