Home / 78,414,936.10-117,622,404.15-40,063,704.10

Finding the Fourth Proportional to 78,414,936.10, 117,622,404.15 and 40,063,704.10

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Solution

The fourth proportional to 78,414,936.10, 117,622,404.15 and 40,063,704.10 is: 60,095,556.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,414,936.10 : 117,622,404.15 = 40,063,704.10 : x
  2. Step 2: Convert to fraction form
    78,414,936.10/117,622,404.15 = 40,063,704.10/x
  3. Step 3: Cross multiply
    78,414,936.10x = 117,622,404.15 × 40,063,704.10
  4. Step 4: Simplify right side
    78,414,936.10x = 4,712,389,195,396,212
  5. Step 5: Solve for x
    x = 4,712,389,195,396,212/78,414,936.10
  6. Step 6: Final answer
    x = 60,095,556.15

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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.