Home / 129,794,018.67-179,087,110.41-76,844,434.38

Finding the Fourth Proportional to 129,794,018.67, 179,087,110.41 and 76,844,434.38

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Solution

The fourth proportional to 129,794,018.67, 179,087,110.41 and 76,844,434.38 is: 106,028,365.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,794,018.67 : 179,087,110.41 = 76,844,434.38 : x
  2. Step 2: Convert to fraction form
    129,794,018.67/179,087,110.41 = 76,844,434.38/x
  3. Step 3: Cross multiply
    129,794,018.67x = 179,087,110.41 × 76,844,434.38
  4. Step 4: Simplify right side
    129,794,018.67x = 13,761,847,704,205,058
  5. Step 5: Solve for x
    x = 13,761,847,704,205,058/129,794,018.67
  6. Step 6: Final answer
    x = 106,028,365.91

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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.