Home / 116,491,872.80-174,737,809.20-31,391,328.80

Finding the Fourth Proportional to 116,491,872.80, 174,737,809.20 and 31,391,328.80

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Solution

The fourth proportional to 116,491,872.80, 174,737,809.20 and 31,391,328.80 is: 47,086,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,491,872.80 : 174,737,809.20 = 31,391,328.80 : x
  2. Step 2: Convert to fraction form
    116,491,872.80/174,737,809.20 = 31,391,328.80/x
  3. Step 3: Cross multiply
    116,491,872.80x = 174,737,809.20 × 31,391,328.80
  4. Step 4: Simplify right side
    116,491,872.80x = 5,485,252,022,388,865
  5. Step 5: Solve for x
    x = 5,485,252,022,388,865/116,491,872.80
  6. Step 6: Final answer
    x = 47,086,993.20

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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.