Home / 78,168,105.24-117,252,999.70-23,581,163.68

Finding the Fourth Proportional to 78,168,105.24, 117,252,999.70 and 23,581,163.68

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Solution

The fourth proportional to 78,168,105.24, 117,252,999.70 and 23,581,163.68 is: 35,371,999.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,168,105.24 : 117,252,999.70 = 23,581,163.68 : x
  2. Step 2: Convert to fraction form
    78,168,105.24/117,252,999.70 = 23,581,163.68/x
  3. Step 3: Cross multiply
    78,168,105.24x = 117,252,999.70 × 23,581,163.68
  4. Step 4: Simplify right side
    78,168,105.24x = 2,764,962,177,544,605.50
  5. Step 5: Solve for x
    x = 2,764,962,177,544,605.50/78,168,105.24
  6. Step 6: Final answer
    x = 35,371,999.48

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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.