Home / 110,804,429.80-166,206,644.70-68,278,119.40

Finding the Fourth Proportional to 110,804,429.80, 166,206,644.70 and 68,278,119.40

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Solution

The fourth proportional to 110,804,429.80, 166,206,644.70 and 68,278,119.40 is: 102,417,179.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,804,429.80 : 166,206,644.70 = 68,278,119.40 : x
  2. Step 2: Convert to fraction form
    110,804,429.80/166,206,644.70 = 68,278,119.40/x
  3. Step 3: Cross multiply
    110,804,429.80x = 166,206,644.70 × 68,278,119.40
  4. Step 4: Simplify right side
    110,804,429.80x = 11,348,277,131,899,978
  5. Step 5: Solve for x
    x = 11,348,277,131,899,978/110,804,429.80
  6. Step 6: Final answer
    x = 102,417,179.10

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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.