Home / 281,052,452-421,599,939.96-86,983,495.76

Finding the Fourth Proportional to 281,052,452, 421,599,939.96 and 86,983,495.76

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Solution

The fourth proportional to 281,052,452, 421,599,939.96 and 86,983,495.76 is: 130,481,824.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,052,452 : 421,599,939.96 = 86,983,495.76 : x
  2. Step 2: Convert to fraction form
    281,052,452/421,599,939.96 = 86,983,495.76/x
  3. Step 3: Cross multiply
    281,052,452x = 421,599,939.96 × 86,983,495.76
  4. Step 4: Simplify right side
    281,052,452x = 36,672,236,589,926,912
  5. Step 5: Solve for x
    x = 36,672,236,589,926,912/281,052,452
  6. Step 6: Final answer
    x = 130,481,824.05

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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.