Home / 193,290,516.26-266,744,122.94-105,188,227.28

Finding the Fourth Proportional to 193,290,516.26, 266,744,122.94 and 105,188,227.28

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Solution

The fourth proportional to 193,290,516.26, 266,744,122.94 and 105,188,227.28 is: 145,161,500.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,290,516.26 : 266,744,122.94 = 105,188,227.28 : x
  2. Step 2: Convert to fraction form
    193,290,516.26/266,744,122.94 = 105,188,227.28/x
  3. Step 3: Cross multiply
    193,290,516.26x = 266,744,122.94 × 105,188,227.28
  4. Step 4: Simplify right side
    193,290,516.26x = 28,058,341,428,891,040
  5. Step 5: Solve for x
    x = 28,058,341,428,891,040/193,290,516.26
  6. Step 6: Final answer
    x = 145,161,500.79

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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.