Home / 303,220,222.67-418,443,907.94-163,990,984.41

Finding the Fourth Proportional to 303,220,222.67, 418,443,907.94 and 163,990,984.41

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Solution

The fourth proportional to 303,220,222.67, 418,443,907.94 and 163,990,984.41 is: 226,307,558.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,220,222.67 : 418,443,907.94 = 163,990,984.41 : x
  2. Step 2: Convert to fraction form
    303,220,222.67/418,443,907.94 = 163,990,984.41/x
  3. Step 3: Cross multiply
    303,220,222.67x = 418,443,907.94 × 163,990,984.41
  4. Step 4: Simplify right side
    303,220,222.67x = 68,621,028,382,628,056
  5. Step 5: Solve for x
    x = 68,621,028,382,628,056/303,220,222.67
  6. Step 6: Final answer
    x = 226,307,558.84

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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.