Home / 51,449,773.60-77,115,955.84-20,724,692.60

Finding the Fourth Proportional to 51,449,773.60, 77,115,955.84 and 20,724,692.60

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Solution

The fourth proportional to 51,449,773.60, 77,115,955.84 and 20,724,692.60 is: 31,063,391.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,449,773.60 : 77,115,955.84 = 20,724,692.60 : x
  2. Step 2: Convert to fraction form
    51,449,773.60/77,115,955.84 = 20,724,692.60/x
  3. Step 3: Cross multiply
    51,449,773.60x = 77,115,955.84 × 20,724,692.60
  4. Step 4: Simplify right side
    51,449,773.60x = 1,598,204,479,339,175
  5. Step 5: Solve for x
    x = 1,598,204,479,339,175/51,449,773.60
  6. Step 6: Final answer
    x = 31,063,391.88

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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.