Home / 262,008,052.30-393,012,078.45-165,073,213.90

Finding the Fourth Proportional to 262,008,052.30, 393,012,078.45 and 165,073,213.90

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Solution

The fourth proportional to 262,008,052.30, 393,012,078.45 and 165,073,213.90 is: 247,609,820.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,008,052.30 : 393,012,078.45 = 165,073,213.90 : x
  2. Step 2: Convert to fraction form
    262,008,052.30/393,012,078.45 = 165,073,213.90/x
  3. Step 3: Cross multiply
    262,008,052.30x = 393,012,078.45 × 165,073,213.90
  4. Step 4: Simplify right side
    262,008,052.30x = 64,875,766,891,260,432
  5. Step 5: Solve for x
    x = 64,875,766,891,260,432/262,008,052.30
  6. Step 6: Final answer
    x = 247,609,820.85

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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.