Home / 115,372,450.38-159,188,527.86-68,306,153.22

Finding the Fourth Proportional to 115,372,450.38, 159,188,527.86 and 68,306,153.22

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Solution

The fourth proportional to 115,372,450.38, 159,188,527.86 and 68,306,153.22 is: 94,247,421.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,372,450.38 : 159,188,527.86 = 68,306,153.22 : x
  2. Step 2: Convert to fraction form
    115,372,450.38/159,188,527.86 = 68,306,153.22/x
  3. Step 3: Cross multiply
    115,372,450.38x = 159,188,527.86 × 68,306,153.22
  4. Step 4: Simplify right side
    115,372,450.38x = 10,873,555,974,871,400
  5. Step 5: Solve for x
    x = 10,873,555,974,871,400/115,372,450.38
  6. Step 6: Final answer
    x = 94,247,421.62

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1.5x scale

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.