Home / 101,261,511.08-139,741,556.12-54,851,764.66

Finding the Fourth Proportional to 101,261,511.08, 139,741,556.12 and 54,851,764.66

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Solution

The fourth proportional to 101,261,511.08, 139,741,556.12 and 54,851,764.66 is: 75,695,798.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,261,511.08 : 139,741,556.12 = 54,851,764.66 : x
  2. Step 2: Convert to fraction form
    101,261,511.08/139,741,556.12 = 54,851,764.66/x
  3. Step 3: Cross multiply
    101,261,511.08x = 139,741,556.12 × 54,851,764.66
  4. Step 4: Simplify right side
    101,261,511.08x = 7,665,070,949,516,422
  5. Step 5: Solve for x
    x = 7,665,070,949,516,422/101,261,511.08
  6. Step 6: Final answer
    x = 75,695,798.61

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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.