Home / 101,261,520.11-139,741,568.57-54,851,773.66

Finding the Fourth Proportional to 101,261,520.11, 139,741,568.57 and 54,851,773.66

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Solution

The fourth proportional to 101,261,520.11, 139,741,568.57 and 54,851,773.66 is: 75,695,811.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,261,520.11 : 139,741,568.57 = 54,851,773.66 : x
  2. Step 2: Convert to fraction form
    101,261,520.11/139,741,568.57 = 54,851,773.66/x
  3. Step 3: Cross multiply
    101,261,520.11x = 139,741,568.57 × 54,851,773.66
  4. Step 4: Simplify right side
    101,261,520.11x = 7,665,072,890,095,009
  5. Step 5: Solve for x
    x = 7,665,072,890,095,009/101,261,520.11
  6. Step 6: Final answer
    x = 75,695,811.02

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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.