Home / 126,491,692,558.21-189,730,856,393.47-41,490,290,380.08

Finding the Fourth Proportional to 126,491,692,558.21, 189,730,856,393.47 and 41,490,290,380.08

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Solution

The fourth proportional to 126,491,692,558.21, 189,730,856,393.47 and 41,490,290,380.08 is: 62,233,243,674.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,491,692,558.21 : 189,730,856,393.47 = 41,490,290,380.08 : x
  2. Step 2: Convert to fraction form
    126,491,692,558.21/189,730,856,393.47 = 41,490,290,380.08/x
  3. Step 3: Cross multiply
    126,491,692,558.21x = 189,730,856,393.47 × 41,490,290,380.08
  4. Step 4: Simplify right side
    126,491,692,558.21x = 7,871,988,325,826,328,264,704
  5. Step 5: Solve for x
    x = 7,871,988,325,826,328,264,704/126,491,692,558.21
  6. Step 6: Final answer
    x = 62,233,243,674.91

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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.