Home / 262,150,689.60-393,320,512.80-108,906,724.80

Finding the Fourth Proportional to 262,150,689.60, 393,320,512.80 and 108,906,724.80

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Solution

The fourth proportional to 262,150,689.60, 393,320,512.80 and 108,906,724.80 is: 163,399,336.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,150,689.60 : 393,320,512.80 = 108,906,724.80 : x
  2. Step 2: Convert to fraction form
    262,150,689.60/393,320,512.80 = 108,906,724.80/x
  3. Step 3: Cross multiply
    262,150,689.60x = 393,320,512.80 × 108,906,724.80
  4. Step 4: Simplify right side
    262,150,689.60x = 42,835,248,845,704,480
  5. Step 5: Solve for x
    x = 42,835,248,845,704,480/262,150,689.60
  6. Step 6: Final answer
    x = 163,399,336.89

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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.