Home / 84,217,752.56-126,338,679.37-25,930,362.31

Finding the Fourth Proportional to 84,217,752.56, 126,338,679.37 and 25,930,362.31

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Solution

The fourth proportional to 84,217,752.56, 126,338,679.37 and 25,930,362.31 is: 38,899,253.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,217,752.56 : 126,338,679.37 = 25,930,362.31 : x
  2. Step 2: Convert to fraction form
    84,217,752.56/126,338,679.37 = 25,930,362.31/x
  3. Step 3: Cross multiply
    84,217,752.56x = 126,338,679.37 × 25,930,362.31
  4. Step 4: Simplify right side
    84,217,752.56x = 3,276,007,729,831,022.50
  5. Step 5: Solve for x
    x = 3,276,007,729,831,022.50/84,217,752.56
  6. Step 6: Final answer
    x = 38,899,253.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.