Home / 52,652,590.20-78,978,885.30-27,143,422.20

Finding the Fourth Proportional to 52,652,590.20, 78,978,885.30 and 27,143,422.20

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Solution

The fourth proportional to 52,652,590.20, 78,978,885.30 and 27,143,422.20 is: 40,715,133.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,652,590.20 : 78,978,885.30 = 27,143,422.20 : x
  2. Step 2: Convert to fraction form
    52,652,590.20/78,978,885.30 = 27,143,422.20/x
  3. Step 3: Cross multiply
    52,652,590.20x = 78,978,885.30 × 27,143,422.20
  4. Step 4: Simplify right side
    52,652,590.20x = 2,143,757,228,583,273.50
  5. Step 5: Solve for x
    x = 2,143,757,228,583,273.50/52,652,590.20
  6. Step 6: Final answer
    x = 40,715,133.30

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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.