Home / 101,522,175.18-140,102,305.52-55,112,429.09

Finding the Fourth Proportional to 101,522,175.18, 140,102,305.52 and 55,112,429.09

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Solution

The fourth proportional to 101,522,175.18, 140,102,305.52 and 55,112,429.09 is: 76,056,077.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,522,175.18 : 140,102,305.52 = 55,112,429.09 : x
  2. Step 2: Convert to fraction form
    101,522,175.18/140,102,305.52 = 55,112,429.09/x
  3. Step 3: Cross multiply
    101,522,175.18x = 140,102,305.52 × 55,112,429.09
  4. Step 4: Simplify right side
    101,522,175.18x = 7,721,378,377,340,441
  5. Step 5: Solve for x
    x = 7,721,378,377,340,441/101,522,175.18
  6. Step 6: Final answer
    x = 76,056,077.05

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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.