Home / 100,282,922.70-138,419,131.14-59,053,729.92

Finding the Fourth Proportional to 100,282,922.70, 138,419,131.14 and 59,053,729.92

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Solution

The fourth proportional to 100,282,922.70, 138,419,131.14 and 59,053,729.92 is: 81,511,046.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,282,922.70 : 138,419,131.14 = 59,053,729.92 : x
  2. Step 2: Convert to fraction form
    100,282,922.70/138,419,131.14 = 59,053,729.92/x
  3. Step 3: Cross multiply
    100,282,922.70x = 138,419,131.14 × 59,053,729.92
  4. Step 4: Simplify right side
    100,282,922.70x = 8,174,165,986,102,621
  5. Step 5: Solve for x
    x = 8,174,165,986,102,621/100,282,922.70
  6. Step 6: Final answer
    x = 81,511,046.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.