Home / 126,451,998.56-189,383,359.47-122,961,178.53

Finding the Fourth Proportional to 126,451,998.56, 189,383,359.47 and 122,961,178.53

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Solution

The fourth proportional to 126,451,998.56, 189,383,359.47 and 122,961,178.53 is: 184,155,263.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,451,998.56 : 189,383,359.47 = 122,961,178.53 : x
  2. Step 2: Convert to fraction form
    126,451,998.56/189,383,359.47 = 122,961,178.53/x
  3. Step 3: Cross multiply
    126,451,998.56x = 189,383,359.47 × 122,961,178.53
  4. Step 4: Simplify right side
    126,451,998.56x = 23,286,801,074,452,044
  5. Step 5: Solve for x
    x = 23,286,801,074,452,044/126,451,998.56
  6. Step 6: Final answer
    x = 184,155,263.18

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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.