Home / 68,096,855.10-102,144,609.48-31,198,278.70

Finding the Fourth Proportional to 68,096,855.10, 102,144,609.48 and 31,198,278.70

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Solution

The fourth proportional to 68,096,855.10, 102,144,609.48 and 31,198,278.70 is: 46,797,109.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,096,855.10 : 102,144,609.48 = 31,198,278.70 : x
  2. Step 2: Convert to fraction form
    68,096,855.10/102,144,609.48 = 31,198,278.70/x
  3. Step 3: Cross multiply
    68,096,855.10x = 102,144,609.48 × 31,198,278.70
  4. Step 4: Simplify right side
    68,096,855.10x = 3,186,735,994,259,702
  5. Step 5: Solve for x
    x = 3,186,735,994,259,702/68,096,855.10
  6. Step 6: Final answer
    x = 46,797,109.64

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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.