Home / 57,206,825.20-85,810,237.80-52,503,900.40

Finding the Fourth Proportional to 57,206,825.20, 85,810,237.80 and 52,503,900.40

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Solution

The fourth proportional to 57,206,825.20, 85,810,237.80 and 52,503,900.40 is: 78,755,850.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,206,825.20 : 85,810,237.80 = 52,503,900.40 : x
  2. Step 2: Convert to fraction form
    57,206,825.20/85,810,237.80 = 52,503,900.40/x
  3. Step 3: Cross multiply
    57,206,825.20x = 85,810,237.80 × 52,503,900.40
  4. Step 4: Simplify right side
    57,206,825.20x = 4,505,372,178,751,515
  5. Step 5: Solve for x
    x = 4,505,372,178,751,515/57,206,825.20
  6. Step 6: Final answer
    x = 78,755,850.60

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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.