Home / 416,090,749.92-624,225,571.84-120,990,997.44

Finding the Fourth Proportional to 416,090,749.92, 624,225,571.84 and 120,990,997.44

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Solution

The fourth proportional to 416,090,749.92, 624,225,571.84 and 120,990,997.44 is: 181,512,505.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,090,749.92 : 624,225,571.84 = 120,990,997.44 : x
  2. Step 2: Convert to fraction form
    416,090,749.92/624,225,571.84 = 120,990,997.44/x
  3. Step 3: Cross multiply
    416,090,749.92x = 624,225,571.84 × 120,990,997.44
  4. Step 4: Simplify right side
    416,090,749.92x = 75,525,674,564,475,984
  5. Step 5: Solve for x
    x = 75,525,674,564,475,984/416,090,749.92
  6. Step 6: Final answer
    x = 181,512,505.57

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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.