Home / 67,161,943.20-100,626,793.20-31,186,365.60

Finding the Fourth Proportional to 67,161,943.20, 100,626,793.20 and 31,186,365.60

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Solution

The fourth proportional to 67,161,943.20, 100,626,793.20 and 31,186,365.60 is: 46,725,627.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,161,943.20 : 100,626,793.20 = 31,186,365.60 : x
  2. Step 2: Convert to fraction form
    67,161,943.20/100,626,793.20 = 31,186,365.60/x
  3. Step 3: Cross multiply
    67,161,943.20x = 100,626,793.20 × 31,186,365.60
  4. Step 4: Simplify right side
    67,161,943.20x = 3,138,183,961,890,794
  5. Step 5: Solve for x
    x = 3,138,183,961,890,794/67,161,943.20
  6. Step 6: Final answer
    x = 46,725,627.82

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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.