Home / 101,179,270.80-139,627,427.40-54,769,381.20

Finding the Fourth Proportional to 101,179,270.80, 139,627,427.40 and 54,769,381.20

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Solution

The fourth proportional to 101,179,270.80, 139,627,427.40 and 54,769,381.20 is: 75,581,764.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,179,270.80 : 139,627,427.40 = 54,769,381.20 : x
  2. Step 2: Convert to fraction form
    101,179,270.80/139,627,427.40 = 54,769,381.20/x
  3. Step 3: Cross multiply
    101,179,270.80x = 139,627,427.40 × 54,769,381.20
  4. Step 4: Simplify right side
    101,179,270.80x = 7,647,307,797,245,926
  5. Step 5: Solve for x
    x = 7,647,307,797,245,926/101,179,270.80
  6. Step 6: Final answer
    x = 75,581,764.30

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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.