Home / 225,492,938.56-311,175,073.20-131,401,093.60

Finding the Fourth Proportional to 225,492,938.56, 311,175,073.20 and 131,401,093.60

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Solution

The fourth proportional to 225,492,938.56, 311,175,073.20 and 131,401,093.60 is: 181,330,489.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,492,938.56 : 311,175,073.20 = 131,401,093.60 : x
  2. Step 2: Convert to fraction form
    225,492,938.56/311,175,073.20 = 131,401,093.60/x
  3. Step 3: Cross multiply
    225,492,938.56x = 311,175,073.20 × 131,401,093.60
  4. Step 4: Simplify right side
    225,492,938.56x = 40,888,744,919,540,048
  5. Step 5: Solve for x
    x = 40,888,744,919,540,048/225,492,938.56
  6. Step 6: Final answer
    x = 181,330,489.46

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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.