Home / 120,558,433.60-180,837,650.40-43,871,497.30

Finding the Fourth Proportional to 120,558,433.60, 180,837,650.40 and 43,871,497.30

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Solution

The fourth proportional to 120,558,433.60, 180,837,650.40 and 43,871,497.30 is: 65,807,245.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,558,433.60 : 180,837,650.40 = 43,871,497.30 : x
  2. Step 2: Convert to fraction form
    120,558,433.60/180,837,650.40 = 43,871,497.30/x
  3. Step 3: Cross multiply
    120,558,433.60x = 180,837,650.40 × 43,871,497.30
  4. Step 4: Simplify right side
    120,558,433.60x = 7,933,618,491,261,944
  5. Step 5: Solve for x
    x = 7,933,618,491,261,944/120,558,433.60
  6. Step 6: Final answer
    x = 65,807,245.95

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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.