Home / 139,491,313.21-192,524,663.60-92,365,266.16

Finding the Fourth Proportional to 139,491,313.21, 192,524,663.60 and 92,365,266.16

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Solution

The fourth proportional to 139,491,313.21, 192,524,663.60 and 92,365,266.16 is: 127,481,714.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,491,313.21 : 192,524,663.60 = 92,365,266.16 : x
  2. Step 2: Convert to fraction form
    139,491,313.21/192,524,663.60 = 92,365,266.16/x
  3. Step 3: Cross multiply
    139,491,313.21x = 192,524,663.60 × 92,365,266.16
  4. Step 4: Simplify right side
    139,491,313.21x = 17,782,591,795,778,462
  5. Step 5: Solve for x
    x = 17,782,591,795,778,462/139,491,313.21
  6. Step 6: Final answer
    x = 127,481,714.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.