Home / 416,090,743.92-624,225,562.83-120,990,991.41

Finding the Fourth Proportional to 416,090,743.92, 624,225,562.83 and 120,990,991.41

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Solution

The fourth proportional to 416,090,743.92, 624,225,562.83 and 120,990,991.41 is: 181,512,496.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,090,743.92 : 624,225,562.83 = 120,990,991.41 : x
  2. Step 2: Convert to fraction form
    416,090,743.92/624,225,562.83 = 120,990,991.41/x
  3. Step 3: Cross multiply
    416,090,743.92x = 624,225,562.83 × 120,990,991.41
  4. Step 4: Simplify right side
    416,090,743.92x = 75,525,669,710,266,944
  5. Step 5: Solve for x
    x = 75,525,669,710,266,944/416,090,743.92
  6. Step 6: Final answer
    x = 181,512,496.53

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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.