Home / 68,152,542.75-102,228,814.14-20,283,486.75

Finding the Fourth Proportional to 68,152,542.75, 102,228,814.14 and 20,283,486.75

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Solution

The fourth proportional to 68,152,542.75, 102,228,814.14 and 20,283,486.75 is: 30,425,230.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,152,542.75 : 102,228,814.14 = 20,283,486.75 : x
  2. Step 2: Convert to fraction form
    68,152,542.75/102,228,814.14 = 20,283,486.75/x
  3. Step 3: Cross multiply
    68,152,542.75x = 102,228,814.14 × 20,283,486.75
  4. Step 4: Simplify right side
    68,152,542.75x = 2,073,556,797,076,902.75
  5. Step 5: Solve for x
    x = 2,073,556,797,076,902.75/68,152,542.75
  6. Step 6: Final answer
    x = 30,425,230.13

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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.