Home / 140,698,310.10-194,163,520.68-78,819,084.24

Finding the Fourth Proportional to 140,698,310.10, 194,163,520.68 and 78,819,084.24

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Solution

The fourth proportional to 140,698,310.10, 194,163,520.68 and 78,819,084.24 is: 108,770,253.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,698,310.10 : 194,163,520.68 = 78,819,084.24 : x
  2. Step 2: Convert to fraction form
    140,698,310.10/194,163,520.68 = 78,819,084.24/x
  3. Step 3: Cross multiply
    140,698,310.10x = 194,163,520.68 × 78,819,084.24
  4. Step 4: Simplify right side
    140,698,310.10x = 15,303,790,892,811,902
  5. Step 5: Solve for x
    x = 15,303,790,892,811,902/140,698,310.10
  6. Step 6: Final answer
    x = 108,770,253.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.