Home / 137,231,336.62-189,379,245.52-75,351,675.20

Finding the Fourth Proportional to 137,231,336.62, 189,379,245.52 and 75,351,675.20

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Solution

The fourth proportional to 137,231,336.62, 189,379,245.52 and 75,351,675.20 is: 103,985,312.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,231,336.62 : 189,379,245.52 = 75,351,675.20 : x
  2. Step 2: Convert to fraction form
    137,231,336.62/189,379,245.52 = 75,351,675.20/x
  3. Step 3: Cross multiply
    137,231,336.62x = 189,379,245.52 × 75,351,675.20
  4. Step 4: Simplify right side
    137,231,336.62x = 14,270,043,398,044,096
  5. Step 5: Solve for x
    x = 14,270,043,398,044,096/137,231,336.62
  6. Step 6: Final answer
    x = 103,985,312.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.