Home / 57,219,687.20-85,829,530.80-50,984,112.80

Finding the Fourth Proportional to 57,219,687.20, 85,829,530.80 and 50,984,112.80

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Solution

The fourth proportional to 57,219,687.20, 85,829,530.80 and 50,984,112.80 is: 76,476,169.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,219,687.20 : 85,829,530.80 = 50,984,112.80 : x
  2. Step 2: Convert to fraction form
    57,219,687.20/85,829,530.80 = 50,984,112.80/x
  3. Step 3: Cross multiply
    57,219,687.20x = 85,829,530.80 × 50,984,112.80
  4. Step 4: Simplify right side
    57,219,687.20x = 4,375,942,479,878,274
  5. Step 5: Solve for x
    x = 4,375,942,479,878,274/57,219,687.20
  6. Step 6: Final answer
    x = 76,476,169.20

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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.