Home / 101,261,285.43-139,741,244.87-54,851,539.34

Finding the Fourth Proportional to 101,261,285.43, 139,741,244.87 and 54,851,539.34

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Solution

The fourth proportional to 101,261,285.43, 139,741,244.87 and 54,851,539.34 is: 75,695,487.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,261,285.43 : 139,741,244.87 = 54,851,539.34 : x
  2. Step 2: Convert to fraction form
    101,261,285.43/139,741,244.87 = 54,851,539.34/x
  3. Step 3: Cross multiply
    101,261,285.43x = 139,741,244.87 × 54,851,539.34
  4. Step 4: Simplify right side
    101,261,285.43x = 7,665,022,389,434,415
  5. Step 5: Solve for x
    x = 7,665,022,389,434,415/101,261,285.43
  6. Step 6: Final answer
    x = 75,695,487.74

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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.