Home / 137,231,335.62-189,379,244.14-75,351,674.20

Finding the Fourth Proportional to 137,231,335.62, 189,379,244.14 and 75,351,674.20

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Solution

The fourth proportional to 137,231,335.62, 189,379,244.14 and 75,351,674.20 is: 103,985,310.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,231,335.62 : 189,379,244.14 = 75,351,674.20 : x
  2. Step 2: Convert to fraction form
    137,231,335.62/189,379,244.14 = 75,351,674.20/x
  3. Step 3: Cross multiply
    137,231,335.62x = 189,379,244.14 × 75,351,674.20
  4. Step 4: Simplify right side
    137,231,335.62x = 14,270,043,104,679,538
  5. Step 5: Solve for x
    x = 14,270,043,104,679,538/137,231,335.62
  6. Step 6: Final answer
    x = 103,985,310.94

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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.