Home / 131,286,864.80-196,930,297.20-40,438,301.60

Finding the Fourth Proportional to 131,286,864.80, 196,930,297.20 and 40,438,301.60

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Solution

The fourth proportional to 131,286,864.80, 196,930,297.20 and 40,438,301.60 is: 60,657,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,286,864.80 : 196,930,297.20 = 40,438,301.60 : x
  2. Step 2: Convert to fraction form
    131,286,864.80/196,930,297.20 = 40,438,301.60/x
  3. Step 3: Cross multiply
    131,286,864.80x = 196,930,297.20 × 40,438,301.60
  4. Step 4: Simplify right side
    131,286,864.80x = 7,963,526,752,351,235
  5. Step 5: Solve for x
    x = 7,963,526,752,351,235/131,286,864.80
  6. Step 6: Final answer
    x = 60,657,452.40

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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.