Home / 109,321,235.57-163,982,164.64-31,604,466.25

Finding the Fourth Proportional to 109,321,235.57, 163,982,164.64 and 31,604,466.25

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Solution

The fourth proportional to 109,321,235.57, 163,982,164.64 and 31,604,466.25 is: 47,406,789.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,321,235.57 : 163,982,164.64 = 31,604,466.25 : x
  2. Step 2: Convert to fraction form
    109,321,235.57/163,982,164.64 = 31,604,466.25/x
  3. Step 3: Cross multiply
    109,321,235.57x = 163,982,164.64 × 31,604,466.25
  4. Step 4: Simplify right side
    109,321,235.57x = 5,182,568,787,146,912
  5. Step 5: Solve for x
    x = 5,182,568,787,146,912/109,321,235.57
  6. Step 6: Final answer
    x = 47,406,789.36

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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.