Home / 115,372,334.45-159,188,369.43-68,306,037.76

Finding the Fourth Proportional to 115,372,334.45, 159,188,369.43 and 68,306,037.76

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Solution

The fourth proportional to 115,372,334.45, 159,188,369.43 and 68,306,037.76 is: 94,247,263.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,372,334.45 : 159,188,369.43 = 68,306,037.76 : x
  2. Step 2: Convert to fraction form
    115,372,334.45/159,188,369.43 = 68,306,037.76/x
  3. Step 3: Cross multiply
    115,372,334.45x = 159,188,369.43 × 68,306,037.76
  4. Step 4: Simplify right side
    115,372,334.45x = 10,873,526,772,840,438
  5. Step 5: Solve for x
    x = 10,873,526,772,840,438/115,372,334.45
  6. Step 6: Final answer
    x = 94,247,263.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.