Home / 126,372,100.50-189,558,150.75-30,633,988.50

Finding the Fourth Proportional to 126,372,100.50, 189,558,150.75 and 30,633,988.50

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Solution

The fourth proportional to 126,372,100.50, 189,558,150.75 and 30,633,988.50 is: 45,950,982.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,372,100.50 : 189,558,150.75 = 30,633,988.50 : x
  2. Step 2: Convert to fraction form
    126,372,100.50/189,558,150.75 = 30,633,988.50/x
  3. Step 3: Cross multiply
    126,372,100.50x = 189,558,150.75 × 30,633,988.50
  4. Step 4: Simplify right side
    126,372,100.50x = 5,806,922,210,156,766
  5. Step 5: Solve for x
    x = 5,806,922,210,156,766/126,372,100.50
  6. Step 6: Final answer
    x = 45,950,982.75

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1.5x scale

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.