Home / 101,187,352.47-139,638,593.12-54,777,606.39

Finding the Fourth Proportional to 101,187,352.47, 139,638,593.12 and 54,777,606.39

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Solution

The fourth proportional to 101,187,352.47, 139,638,593.12 and 54,777,606.39 is: 75,593,122.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,187,352.47 : 139,638,593.12 = 54,777,606.39 : x
  2. Step 2: Convert to fraction form
    101,187,352.47/139,638,593.12 = 54,777,606.39/x
  3. Step 3: Cross multiply
    101,187,352.47x = 139,638,593.12 × 54,777,606.39
  4. Step 4: Simplify right side
    101,187,352.47x = 7,649,067,891,359,793
  5. Step 5: Solve for x
    x = 7,649,067,891,359,793/101,187,352.47
  6. Step 6: Final answer
    x = 75,593,122.11

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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.