Home / 115,016,450-158,593,308.36-94,043,045.84

Finding the Fourth Proportional to 115,016,450, 158,593,308.36 and 94,043,045.84

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Solution

The fourth proportional to 115,016,450, 158,593,308.36 and 94,043,045.84 is: 129,673,605.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,016,450 : 158,593,308.36 = 94,043,045.84 : x
  2. Step 2: Convert to fraction form
    115,016,450/158,593,308.36 = 94,043,045.84/x
  3. Step 3: Cross multiply
    115,016,450x = 158,593,308.36 × 94,043,045.84
  4. Step 4: Simplify right side
    115,016,450x = 14,914,597,768,016,738
  5. Step 5: Solve for x
    x = 14,914,597,768,016,738/115,016,450
  6. Step 6: Final answer
    x = 129,673,605.54

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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.