Home / 363,385,954.20-545,078,931.30-133,325,145.30

Finding the Fourth Proportional to 363,385,954.20, 545,078,931.30 and 133,325,145.30

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Solution

The fourth proportional to 363,385,954.20, 545,078,931.30 and 133,325,145.30 is: 199,987,717.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,385,954.20 : 545,078,931.30 = 133,325,145.30 : x
  2. Step 2: Convert to fraction form
    363,385,954.20/545,078,931.30 = 133,325,145.30/x
  3. Step 3: Cross multiply
    363,385,954.20x = 545,078,931.30 × 133,325,145.30
  4. Step 4: Simplify right side
    363,385,954.20x = 72,672,727,715,541,216
  5. Step 5: Solve for x
    x = 72,672,727,715,541,216/363,385,954.20
  6. Step 6: Final answer
    x = 199,987,717.95

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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.