Home / 354,996,819.20-532,243,286.40-136,562,758.40

Finding the Fourth Proportional to 354,996,819.20, 532,243,286.40 and 136,562,758.40

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Solution

The fourth proportional to 354,996,819.20, 532,243,286.40 and 136,562,758.40 is: 204,747,218.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,996,819.20 : 532,243,286.40 = 136,562,758.40 : x
  2. Step 2: Convert to fraction form
    354,996,819.20/532,243,286.40 = 136,562,758.40/x
  3. Step 3: Cross multiply
    354,996,819.20x = 532,243,286.40 × 136,562,758.40
  4. Step 4: Simplify right side
    354,996,819.20x = 72,684,611,330,665,200
  5. Step 5: Solve for x
    x = 72,684,611,330,665,200/354,996,819.20
  6. Step 6: Final answer
    x = 204,747,218.57

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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.