Home / 57,206,812.70-85,810,219.05-52,503,887.90

Finding the Fourth Proportional to 57,206,812.70, 85,810,219.05 and 52,503,887.90

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Solution

The fourth proportional to 57,206,812.70, 85,810,219.05 and 52,503,887.90 is: 78,755,831.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,206,812.70 : 85,810,219.05 = 52,503,887.90 : x
  2. Step 2: Convert to fraction form
    57,206,812.70/85,810,219.05 = 52,503,887.90/x
  3. Step 3: Cross multiply
    57,206,812.70x = 85,810,219.05 × 52,503,887.90
  4. Step 4: Simplify right side
    57,206,812.70x = 4,505,370,121,675,644
  5. Step 5: Solve for x
    x = 4,505,370,121,675,644/57,206,812.70
  6. Step 6: Final answer
    x = 78,755,831.85

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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.