Home / 101,261,285.68-139,741,245.22-54,851,539.58

Finding the Fourth Proportional to 101,261,285.68, 139,741,245.22 and 54,851,539.58

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Solution

The fourth proportional to 101,261,285.68, 139,741,245.22 and 54,851,539.58 is: 75,695,488.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,261,285.68 : 139,741,245.22 = 54,851,539.58 : x
  2. Step 2: Convert to fraction form
    101,261,285.68/139,741,245.22 = 54,851,539.58/x
  3. Step 3: Cross multiply
    101,261,285.68x = 139,741,245.22 × 54,851,539.58
  4. Step 4: Simplify right side
    101,261,285.68x = 7,665,022,443,143,315
  5. Step 5: Solve for x
    x = 7,665,022,443,143,315/101,261,285.68
  6. Step 6: Final answer
    x = 75,695,488.08

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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.