Home / 161,147,519.20-222,376,622.64-91,532,683.36

Finding the Fourth Proportional to 161,147,519.20, 222,376,622.64 and 91,532,683.36

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Solution

The fourth proportional to 161,147,519.20, 222,376,622.64 and 91,532,683.36 is: 126,311,153.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,147,519.20 : 222,376,622.64 = 91,532,683.36 : x
  2. Step 2: Convert to fraction form
    161,147,519.20/222,376,622.64 = 91,532,683.36/x
  3. Step 3: Cross multiply
    161,147,519.20x = 222,376,622.64 × 91,532,683.36
  4. Step 4: Simplify right side
    161,147,519.20x = 20,354,728,986,773,324
  5. Step 5: Solve for x
    x = 20,354,728,986,773,324/161,147,519.20
  6. Step 6: Final answer
    x = 126,311,153.21

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.