Home / 108,250,305.68-149,240,910.44-85,997,127.12

Finding the Fourth Proportional to 108,250,305.68, 149,240,910.44 and 85,997,127.12

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Solution

The fourth proportional to 108,250,305.68, 149,240,910.44 and 85,997,127.12 is: 118,561,231.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,250,305.68 : 149,240,910.44 = 85,997,127.12 : x
  2. Step 2: Convert to fraction form
    108,250,305.68/149,240,910.44 = 85,997,127.12/x
  3. Step 3: Cross multiply
    108,250,305.68x = 149,240,910.44 × 85,997,127.12
  4. Step 4: Simplify right side
    108,250,305.68x = 12,834,289,546,613,216
  5. Step 5: Solve for x
    x = 12,834,289,546,613,216/108,250,305.68
  6. Step 6: Final answer
    x = 118,561,231.45

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Why These Related Problems?

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