Home / 189,526,291.20-284,101,107.24-131,897,493.45

Finding the Fourth Proportional to 189,526,291.20, 284,101,107.24 and 131,897,493.45

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Solution

The fourth proportional to 189,526,291.20, 284,101,107.24 and 131,897,493.45 is: 197,715,175.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,526,291.20 : 284,101,107.24 = 131,897,493.45 : x
  2. Step 2: Convert to fraction form
    189,526,291.20/284,101,107.24 = 131,897,493.45/x
  3. Step 3: Cross multiply
    189,526,291.20x = 284,101,107.24 × 131,897,493.45
  4. Step 4: Simplify right side
    189,526,291.20x = 37,472,223,931,325,648
  5. Step 5: Solve for x
    x = 37,472,223,931,325,648/189,526,291.20
  6. Step 6: Final answer
    x = 197,715,175.53

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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.