Home / 31,272,624.53-43,156,147.24-17,143,786.08

Finding the Fourth Proportional to 31,272,624.53, 43,156,147.24 and 17,143,786.08

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Solution

The fourth proportional to 31,272,624.53, 43,156,147.24 and 17,143,786.08 is: 23,658,383.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,272,624.53 : 43,156,147.24 = 17,143,786.08 : x
  2. Step 2: Convert to fraction form
    31,272,624.53/43,156,147.24 = 17,143,786.08/x
  3. Step 3: Cross multiply
    31,272,624.53x = 43,156,147.24 × 17,143,786.08
  4. Step 4: Simplify right side
    31,272,624.53x = 739,859,756,340,972.12
  5. Step 5: Solve for x
    x = 739,859,756,340,972.12/31,272,624.53
  6. Step 6: Final answer
    x = 23,658,383.89

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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.