Home / 78,149,016.42-117,241,380.26-27,030,992.10

Finding the Fourth Proportional to 78,149,016.42, 117,241,380.26 and 27,030,992.10

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Solution

The fourth proportional to 78,149,016.42, 117,241,380.26 and 27,030,992.10 is: 40,552,664.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,149,016.42 : 117,241,380.26 = 27,030,992.10 : x
  2. Step 2: Convert to fraction form
    78,149,016.42/117,241,380.26 = 27,030,992.10/x
  3. Step 3: Cross multiply
    78,149,016.42x = 117,241,380.26 × 27,030,992.10
  4. Step 4: Simplify right side
    78,149,016.42x = 3,169,150,823,601,156.50
  5. Step 5: Solve for x
    x = 3,169,150,823,601,156.50/78,149,016.42
  6. Step 6: Final answer
    x = 40,552,664.24

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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.