Home / 101,261,536.85-139,741,591.55-54,851,790.21

Finding the Fourth Proportional to 101,261,536.85, 139,741,591.55 and 54,851,790.21

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Solution

The fourth proportional to 101,261,536.85, 139,741,591.55 and 54,851,790.21 is: 75,695,833.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,261,536.85 : 139,741,591.55 = 54,851,790.21 : x
  2. Step 2: Convert to fraction form
    101,261,536.85/139,741,591.55 = 54,851,790.21/x
  3. Step 3: Cross multiply
    101,261,536.85x = 139,741,591.55 × 54,851,790.21
  4. Step 4: Simplify right side
    101,261,536.85x = 7,665,076,463,037,849
  5. Step 5: Solve for x
    x = 7,665,076,463,037,849/101,261,536.85
  6. Step 6: Final answer
    x = 75,695,833.80

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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.