Home / 137,664,966.78-206,503,148.52-40,620,673.89

Finding the Fourth Proportional to 137,664,966.78, 206,503,148.52 and 40,620,673.89

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Solution

The fourth proportional to 137,664,966.78, 206,503,148.52 and 40,620,673.89 is: 60,932,692.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,664,966.78 : 206,503,148.52 = 40,620,673.89 : x
  2. Step 2: Convert to fraction form
    137,664,966.78/206,503,148.52 = 40,620,673.89/x
  3. Step 3: Cross multiply
    137,664,966.78x = 206,503,148.52 × 40,620,673.89
  4. Step 4: Simplify right side
    137,664,966.78x = 8,388,297,053,289,157
  5. Step 5: Solve for x
    x = 8,388,297,053,289,157/137,664,966.78
  6. Step 6: Final answer
    x = 60,932,692.24

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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.