Home / 67,161,944.20-100,626,794.70-31,186,366.60

Finding the Fourth Proportional to 67,161,944.20, 100,626,794.70 and 31,186,366.60

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Solution

The fourth proportional to 67,161,944.20, 100,626,794.70 and 31,186,366.60 is: 46,725,629.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,161,944.20 : 100,626,794.70 = 31,186,366.60 : x
  2. Step 2: Convert to fraction form
    67,161,944.20/100,626,794.70 = 31,186,366.60/x
  3. Step 3: Cross multiply
    67,161,944.20x = 100,626,794.70 × 31,186,366.60
  4. Step 4: Simplify right side
    67,161,944.20x = 3,138,184,109,297,137.50
  5. Step 5: Solve for x
    x = 3,138,184,109,297,137.50/67,161,944.20
  6. Step 6: Final answer
    x = 46,725,629.32

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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.