Home / 126,491,692,529.15-189,730,856,354.33-41,490,290,348.84

Finding the Fourth Proportional to 126,491,692,529.15, 189,730,856,354.33 and 41,490,290,348.84

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Solution

The fourth proportional to 126,491,692,529.15, 189,730,856,354.33 and 41,490,290,348.84 is: 62,233,243,629.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,491,692,529.15 : 189,730,856,354.33 = 41,490,290,348.84 : x
  2. Step 2: Convert to fraction form
    126,491,692,529.15/189,730,856,354.33 = 41,490,290,348.84/x
  3. Step 3: Cross multiply
    126,491,692,529.15x = 189,730,856,354.33 × 41,490,290,348.84
  4. Step 4: Simplify right side
    126,491,692,529.15x = 7,871,988,318,275,205,332,992
  5. Step 5: Solve for x
    x = 7,871,988,318,275,205,332,992/126,491,692,529.15
  6. Step 6: Final answer
    x = 62,233,243,629.51

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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.