Home / 137,691,844.20-206,537,766.30-46,815,433.20

Finding the Fourth Proportional to 137,691,844.20, 206,537,766.30 and 46,815,433.20

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Solution

The fourth proportional to 137,691,844.20, 206,537,766.30 and 46,815,433.20 is: 70,223,149.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,691,844.20 : 206,537,766.30 = 46,815,433.20 : x
  2. Step 2: Convert to fraction form
    137,691,844.20/206,537,766.30 = 46,815,433.20/x
  3. Step 3: Cross multiply
    137,691,844.20x = 206,537,766.30 × 46,815,433.20
  4. Step 4: Simplify right side
    137,691,844.20x = 9,669,155,001,494,862
  5. Step 5: Solve for x
    x = 9,669,155,001,494,862/137,691,844.20
  6. Step 6: Final answer
    x = 70,223,149.80

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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.