Home / 51,086,984.32-76,563,939.84-20,759,392

Finding the Fourth Proportional to 51,086,984.32, 76,563,939.84 and 20,759,392

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Solution

The fourth proportional to 51,086,984.32, 76,563,939.84 and 20,759,392 is: 31,112,050.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,086,984.32 : 76,563,939.84 = 20,759,392 : x
  2. Step 2: Convert to fraction form
    51,086,984.32/76,563,939.84 = 20,759,392/x
  3. Step 3: Cross multiply
    51,086,984.32x = 76,563,939.84 × 20,759,392
  4. Step 4: Simplify right side
    51,086,984.32x = 1,589,420,840,202,977.25
  5. Step 5: Solve for x
    x = 1,589,420,840,202,977.25/51,086,984.32
  6. Step 6: Final answer
    x = 31,112,050.58

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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.