Home / 131,098,351.20-196,647,526.80-40,221,794.40

Finding the Fourth Proportional to 131,098,351.20, 196,647,526.80 and 40,221,794.40

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Solution

The fourth proportional to 131,098,351.20, 196,647,526.80 and 40,221,794.40 is: 60,332,691.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,098,351.20 : 196,647,526.80 = 40,221,794.40 : x
  2. Step 2: Convert to fraction form
    131,098,351.20/196,647,526.80 = 40,221,794.40/x
  3. Step 3: Cross multiply
    131,098,351.20x = 196,647,526.80 × 40,221,794.40
  4. Step 4: Simplify right side
    131,098,351.20x = 7,909,516,392,218,090
  5. Step 5: Solve for x
    x = 7,909,516,392,218,090/131,098,351.20
  6. Step 6: Final answer
    x = 60,332,691.60

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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.