Home / 199,256,260.73-274,975,429.47-109,952,176.78

Finding the Fourth Proportional to 199,256,260.73, 274,975,429.47 and 109,952,176.78

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Solution

The fourth proportional to 199,256,260.73, 274,975,429.47 and 109,952,176.78 is: 151,734,991.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,256,260.73 : 274,975,429.47 = 109,952,176.78 : x
  2. Step 2: Convert to fraction form
    199,256,260.73/274,975,429.47 = 109,952,176.78/x
  3. Step 3: Cross multiply
    199,256,260.73x = 274,975,429.47 × 109,952,176.78
  4. Step 4: Simplify right side
    199,256,260.73x = 30,234,147,029,866,988
  5. Step 5: Solve for x
    x = 30,234,147,029,866,988/199,256,260.73
  6. Step 6: Final answer
    x = 151,734,991.51

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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.