Home / 303,220,224.43-418,443,910.35-163,990,986.16

Finding the Fourth Proportional to 303,220,224.43, 418,443,910.35 and 163,990,986.16

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Solution

The fourth proportional to 303,220,224.43, 418,443,910.35 and 163,990,986.16 is: 226,307,561.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,220,224.43 : 418,443,910.35 = 163,990,986.16 : x
  2. Step 2: Convert to fraction form
    303,220,224.43/418,443,910.35 = 163,990,986.16/x
  3. Step 3: Cross multiply
    303,220,224.43x = 418,443,910.35 × 163,990,986.16
  4. Step 4: Simplify right side
    303,220,224.43x = 68,621,029,510,943,136
  5. Step 5: Solve for x
    x = 68,621,029,510,943,136/303,220,224.43
  6. Step 6: Final answer
    x = 226,307,561.25

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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.