Home / 139,968,166.20-209,952,249.30-137,700,684.60

Finding the Fourth Proportional to 139,968,166.20, 209,952,249.30 and 137,700,684.60

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Solution

The fourth proportional to 139,968,166.20, 209,952,249.30 and 137,700,684.60 is: 206,551,026.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,166.20 : 209,952,249.30 = 137,700,684.60 : x
  2. Step 2: Convert to fraction form
    139,968,166.20/209,952,249.30 = 137,700,684.60/x
  3. Step 3: Cross multiply
    139,968,166.20x = 209,952,249.30 × 137,700,684.60
  4. Step 4: Simplify right side
    139,968,166.20x = 28,910,568,461,919,872
  5. Step 5: Solve for x
    x = 28,910,568,461,919,872/139,968,166.20
  6. Step 6: Final answer
    x = 206,551,026.90

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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.