Home / 101,187,274.04-139,638,408.80-54,777,493.79

Finding the Fourth Proportional to 101,187,274.04, 139,638,408.80 and 54,777,493.79

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Solution

The fourth proportional to 101,187,274.04, 139,638,408.80 and 54,777,493.79 is: 75,592,925.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,187,274.04 : 139,638,408.80 = 54,777,493.79 : x
  2. Step 2: Convert to fraction form
    101,187,274.04/139,638,408.80 = 54,777,493.79/x
  3. Step 3: Cross multiply
    101,187,274.04x = 139,638,408.80 × 54,777,493.79
  4. Step 4: Simplify right side
    101,187,274.04x = 7,649,042,069,915,401
  5. Step 5: Solve for x
    x = 7,649,042,069,915,401/101,187,274.04
  6. Step 6: Final answer
    x = 75,592,925.52

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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.