Home / 126,452,001.42-189,383,363.74-122,961,181.38

Finding the Fourth Proportional to 126,452,001.42, 189,383,363.74 and 122,961,181.38

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Solution

The fourth proportional to 126,452,001.42, 189,383,363.74 and 122,961,181.38 is: 184,155,267.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,452,001.42 : 189,383,363.74 = 122,961,181.38 : x
  2. Step 2: Convert to fraction form
    126,452,001.42/189,383,363.74 = 122,961,181.38/x
  3. Step 3: Cross multiply
    126,452,001.42x = 189,383,363.74 × 122,961,181.38
  4. Step 4: Simplify right side
    126,452,001.42x = 23,286,802,138,977,692
  5. Step 5: Solve for x
    x = 23,286,802,138,977,692/126,452,001.42
  6. Step 6: Final answer
    x = 184,155,267.43

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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.