Home / 142,777,761.34-214,171,717.88-45,720,857.56

Finding the Fourth Proportional to 142,777,761.34, 214,171,717.88 and 45,720,857.56

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Solution

The fourth proportional to 142,777,761.34, 214,171,717.88 and 45,720,857.56 is: 68,582,911.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,777,761.34 : 214,171,717.88 = 45,720,857.56 : x
  2. Step 2: Convert to fraction form
    142,777,761.34/214,171,717.88 = 45,720,857.56/x
  3. Step 3: Cross multiply
    142,777,761.34x = 214,171,717.88 × 45,720,857.56
  4. Step 4: Simplify right side
    142,777,761.34x = 9,792,114,606,571,986
  5. Step 5: Solve for x
    x = 9,792,114,606,571,986/142,777,761.34
  6. Step 6: Final answer
    x = 68,582,911.76

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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.