Home / 117,940,754.80-176,911,132.20-66,922,418.80

Finding the Fourth Proportional to 117,940,754.80, 176,911,132.20 and 66,922,418.80

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Solution

The fourth proportional to 117,940,754.80, 176,911,132.20 and 66,922,418.80 is: 100,383,628.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,940,754.80 : 176,911,132.20 = 66,922,418.80 : x
  2. Step 2: Convert to fraction form
    117,940,754.80/176,911,132.20 = 66,922,418.80/x
  3. Step 3: Cross multiply
    117,940,754.80x = 176,911,132.20 × 66,922,418.80
  4. Step 4: Simplify right side
    117,940,754.80x = 11,839,320,879,470,564
  5. Step 5: Solve for x
    x = 11,839,320,879,470,564/117,940,754.80
  6. Step 6: Final answer
    x = 100,383,628.20

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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.