Home / 150,132,243.54-225,232,322.43-81,043,564.11

Finding the Fourth Proportional to 150,132,243.54, 225,232,322.43 and 81,043,564.11

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Solution

The fourth proportional to 150,132,243.54, 225,232,322.43 and 81,043,564.11 is: 121,583,676.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,132,243.54 : 225,232,322.43 = 81,043,564.11 : x
  2. Step 2: Convert to fraction form
    150,132,243.54/225,232,322.43 = 81,043,564.11/x
  3. Step 3: Cross multiply
    150,132,243.54x = 225,232,322.43 × 81,043,564.11
  4. Step 4: Simplify right side
    150,132,243.54x = 18,253,630,162,499,896
  5. Step 5: Solve for x
    x = 18,253,630,162,499,896/150,132,243.54
  6. Step 6: Final answer
    x = 121,583,676.71

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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.