Home / 120,204,236.05-180,260,391.96-65,587,629.29

Finding the Fourth Proportional to 120,204,236.05, 180,260,391.96 and 65,587,629.29

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Solution

The fourth proportional to 120,204,236.05, 180,260,391.96 and 65,587,629.29 is: 98,356,365.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,204,236.05 : 180,260,391.96 = 65,587,629.29 : x
  2. Step 2: Convert to fraction form
    120,204,236.05/180,260,391.96 = 65,587,629.29/x
  3. Step 3: Cross multiply
    120,204,236.05x = 180,260,391.96 × 65,587,629.29
  4. Step 4: Simplify right side
    120,204,236.05x = 11,822,851,763,655,240
  5. Step 5: Solve for x
    x = 11,822,851,763,655,240/120,204,236.05
  6. Step 6: Final answer
    x = 98,356,365.40

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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.