Home / 68,296,319.40-102,409,049.70-25,143,310.20

Finding the Fourth Proportional to 68,296,319.40, 102,409,049.70 and 25,143,310.20

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Solution

The fourth proportional to 68,296,319.40, 102,409,049.70 and 25,143,310.20 is: 37,701,921.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,296,319.40 : 102,409,049.70 = 25,143,310.20 : x
  2. Step 2: Convert to fraction form
    68,296,319.40/102,409,049.70 = 25,143,310.20/x
  3. Step 3: Cross multiply
    68,296,319.40x = 102,409,049.70 × 25,143,310.20
  4. Step 4: Simplify right side
    68,296,319.40x = 2,574,902,503,894,317
  5. Step 5: Solve for x
    x = 2,574,902,503,894,317/68,296,319.40
  6. Step 6: Final answer
    x = 37,701,921.96

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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.