Home / 420,029,999.60-629,856,042.60-161,159,183.60

Finding the Fourth Proportional to 420,029,999.60, 629,856,042.60 and 161,159,183.60

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Solution

The fourth proportional to 420,029,999.60, 629,856,042.60 and 161,159,183.60 is: 241,666,275.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,029,999.60 : 629,856,042.60 = 161,159,183.60 : x
  2. Step 2: Convert to fraction form
    420,029,999.60/629,856,042.60 = 161,159,183.60/x
  3. Step 3: Cross multiply
    420,029,999.60x = 629,856,042.60 × 161,159,183.60
  4. Step 4: Simplify right side
    420,029,999.60x = 101,507,085,610,942,816
  5. Step 5: Solve for x
    x = 101,507,085,610,942,816/420,029,999.60
  6. Step 6: Final answer
    x = 241,666,275.52

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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.