Home / 71,509,780.80-107,320,658.40-33,176,044.80

Finding the Fourth Proportional to 71,509,780.80, 107,320,658.40 and 33,176,044.80

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Solution

The fourth proportional to 71,509,780.80, 107,320,658.40 and 33,176,044.80 is: 49,790,041.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,509,780.80 : 107,320,658.40 = 33,176,044.80 : x
  2. Step 2: Convert to fraction form
    71,509,780.80/107,320,658.40 = 33,176,044.80/x
  3. Step 3: Cross multiply
    71,509,780.80x = 107,320,658.40 × 33,176,044.80
  4. Step 4: Simplify right side
    71,509,780.80x = 3,560,474,971,043,896.50
  5. Step 5: Solve for x
    x = 3,560,474,971,043,896.50/71,509,780.80
  6. Step 6: Final answer
    x = 49,790,041.74

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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.