Home / 51,379,821.64-77,050,530.60-20,664,033.58

Finding the Fourth Proportional to 51,379,821.64, 77,050,530.60 and 20,664,033.58

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Solution

The fourth proportional to 51,379,821.64, 77,050,530.60 and 20,664,033.58 is: 30,988,327.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,379,821.64 : 77,050,530.60 = 20,664,033.58 : x
  2. Step 2: Convert to fraction form
    51,379,821.64/77,050,530.60 = 20,664,033.58/x
  3. Step 3: Cross multiply
    51,379,821.64x = 77,050,530.60 × 20,664,033.58
  4. Step 4: Simplify right side
    51,379,821.64x = 1,592,174,751,675,217.25
  5. Step 5: Solve for x
    x = 1,592,174,751,675,217.25/51,379,821.64
  6. Step 6: Final answer
    x = 30,988,327.73

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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.