Home / 131,098,351.70-196,647,527.55-40,221,794.90

Finding the Fourth Proportional to 131,098,351.70, 196,647,527.55 and 40,221,794.90

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Solution

The fourth proportional to 131,098,351.70, 196,647,527.55 and 40,221,794.90 is: 60,332,692.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,098,351.70 : 196,647,527.55 = 40,221,794.90 : x
  2. Step 2: Convert to fraction form
    131,098,351.70/196,647,527.55 = 40,221,794.90/x
  3. Step 3: Cross multiply
    131,098,351.70x = 196,647,527.55 × 40,221,794.90
  4. Step 4: Simplify right side
    131,098,351.70x = 7,909,516,520,708,200
  5. Step 5: Solve for x
    x = 7,909,516,520,708,200/131,098,351.70
  6. Step 6: Final answer
    x = 60,332,692.35

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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.