Home / 150,132,240.45-225,232,317.90-81,043,561.08

Finding the Fourth Proportional to 150,132,240.45, 225,232,317.90 and 81,043,561.08

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Solution

The fourth proportional to 150,132,240.45, 225,232,317.90 and 81,043,561.08 is: 121,583,672.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,132,240.45 : 225,232,317.90 = 81,043,561.08 : x
  2. Step 2: Convert to fraction form
    150,132,240.45/225,232,317.90 = 81,043,561.08/x
  3. Step 3: Cross multiply
    150,132,240.45x = 225,232,317.90 × 81,043,561.08
  4. Step 4: Simplify right side
    150,132,240.45x = 18,253,629,112,918,628
  5. Step 5: Solve for x
    x = 18,253,629,112,918,628/150,132,240.45
  6. Step 6: Final answer
    x = 121,583,672.22

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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.