Home / 303,806,685.43-419,252,847.10-164,578,022.65

Finding the Fourth Proportional to 303,806,685.43, 419,252,847.10 and 164,578,022.65

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Solution

The fourth proportional to 303,806,685.43, 419,252,847.10 and 164,578,022.65 is: 227,117,466.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,806,685.43 : 419,252,847.10 = 164,578,022.65 : x
  2. Step 2: Convert to fraction form
    303,806,685.43/419,252,847.10 = 164,578,022.65/x
  3. Step 3: Cross multiply
    303,806,685.43x = 419,252,847.10 × 164,578,022.65
  4. Step 4: Simplify right side
    303,806,685.43x = 68,999,804,566,100,792
  5. Step 5: Solve for x
    x = 68,999,804,566,100,792/303,806,685.43
  6. Step 6: Final answer
    x = 227,117,466.06

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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.