Home / 309,060,286.20-463,590,429.30-93,621,540.60

Finding the Fourth Proportional to 309,060,286.20, 463,590,429.30 and 93,621,540.60

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Solution

The fourth proportional to 309,060,286.20, 463,590,429.30 and 93,621,540.60 is: 140,432,310.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,060,286.20 : 463,590,429.30 = 93,621,540.60 : x
  2. Step 2: Convert to fraction form
    309,060,286.20/463,590,429.30 = 93,621,540.60/x
  3. Step 3: Cross multiply
    309,060,286.20x = 463,590,429.30 × 93,621,540.60
  4. Step 4: Simplify right side
    309,060,286.20x = 43,402,050,198,481,376
  5. Step 5: Solve for x
    x = 43,402,050,198,481,376/309,060,286.20
  6. Step 6: Final answer
    x = 140,432,310.90

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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.