Home / 122,945,825.92-169,686,231.60-73,388,755.84

Finding the Fourth Proportional to 122,945,825.92, 169,686,231.60 and 73,388,755.84

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Solution

The fourth proportional to 122,945,825.92, 169,686,231.60 and 73,388,755.84 is: 101,289,013.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,945,825.92 : 169,686,231.60 = 73,388,755.84 : x
  2. Step 2: Convert to fraction form
    122,945,825.92/169,686,231.60 = 73,388,755.84/x
  3. Step 3: Cross multiply
    122,945,825.92x = 169,686,231.60 × 73,388,755.84
  4. Step 4: Simplify right side
    122,945,825.92x = 12,453,061,420,302,092
  5. Step 5: Solve for x
    x = 12,453,061,420,302,092/122,945,825.92
  6. Step 6: Final answer
    x = 101,289,013.49

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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.