Home / 355,392,028.80-532,836,100.80-161,396,380.80

Finding the Fourth Proportional to 355,392,028.80, 532,836,100.80 and 161,396,380.80

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Solution

The fourth proportional to 355,392,028.80, 532,836,100.80 and 161,396,380.80 is: 241,980,155.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,392,028.80 : 532,836,100.80 = 161,396,380.80 : x
  2. Step 2: Convert to fraction form
    355,392,028.80/532,836,100.80 = 161,396,380.80/x
  3. Step 3: Cross multiply
    355,392,028.80x = 532,836,100.80 × 161,396,380.80
  4. Step 4: Simplify right side
    355,392,028.80x = 85,997,818,228,704,000
  5. Step 5: Solve for x
    x = 85,997,818,228,704,000/355,392,028.80
  6. Step 6: Final answer
    x = 241,980,155.04

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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.