Home / 145,467,840,163.72-200,716,504,775.07-81,228,680,331.41

Finding the Fourth Proportional to 145,467,840,163.72, 200,716,504,775.07 and 81,228,680,331.41

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Solution

The fourth proportional to 145,467,840,163.72, 200,716,504,775.07 and 81,228,680,331.41 is: 112,079,321,348.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,467,840,163.72 : 200,716,504,775.07 = 81,228,680,331.41 : x
  2. Step 2: Convert to fraction form
    145,467,840,163.72/200,716,504,775.07 = 81,228,680,331.41/x
  3. Step 3: Cross multiply
    145,467,840,163.72x = 200,716,504,775.07 × 81,228,680,331.41
  4. Step 4: Simplify right side
    145,467,840,163.72x = 16,303,936,803,612,091,482,112
  5. Step 5: Solve for x
    x = 16,303,936,803,612,091,482,112/145,467,840,163.72
  6. Step 6: Final answer
    x = 112,079,321,348.71

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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.