Home / 126,376,523.40-189,564,785.10-104,457,534.60

Finding the Fourth Proportional to 126,376,523.40, 189,564,785.10 and 104,457,534.60

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Solution

The fourth proportional to 126,376,523.40, 189,564,785.10 and 104,457,534.60 is: 156,686,301.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,376,523.40 : 189,564,785.10 = 104,457,534.60 : x
  2. Step 2: Convert to fraction form
    126,376,523.40/189,564,785.10 = 104,457,534.60/x
  3. Step 3: Cross multiply
    126,376,523.40x = 189,564,785.10 × 104,457,534.60
  4. Step 4: Simplify right side
    126,376,523.40x = 19,801,470,098,524,812
  5. Step 5: Solve for x
    x = 19,801,470,098,524,812/126,376,523.40
  6. Step 6: Final answer
    x = 156,686,301.90

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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.