Home / 31,100,266.20-46,650,399.30-19,790,851.80

Finding the Fourth Proportional to 31,100,266.20, 46,650,399.30 and 19,790,851.80

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Solution

The fourth proportional to 31,100,266.20, 46,650,399.30 and 19,790,851.80 is: 29,686,277.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,100,266.20 : 46,650,399.30 = 19,790,851.80 : x
  2. Step 2: Convert to fraction form
    31,100,266.20/46,650,399.30 = 19,790,851.80/x
  3. Step 3: Cross multiply
    31,100,266.20x = 46,650,399.30 × 19,790,851.80
  4. Step 4: Simplify right side
    31,100,266.20x = 923,251,138,957,123.75
  5. Step 5: Solve for x
    x = 923,251,138,957,123.75/31,100,266.20
  6. Step 6: Final answer
    x = 29,686,277.70

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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.