Home / 193,290,518.76-266,744,126.39-105,188,229.78

Finding the Fourth Proportional to 193,290,518.76, 266,744,126.39 and 105,188,229.78

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Solution

The fourth proportional to 193,290,518.76, 266,744,126.39 and 105,188,229.78 is: 145,161,504.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,290,518.76 : 266,744,126.39 = 105,188,229.78 : x
  2. Step 2: Convert to fraction form
    193,290,518.76/266,744,126.39 = 105,188,229.78/x
  3. Step 3: Cross multiply
    193,290,518.76x = 266,744,126.39 × 105,188,229.78
  4. Step 4: Simplify right side
    193,290,518.76x = 28,058,342,458,650,740
  5. Step 5: Solve for x
    x = 28,058,342,458,650,740/193,290,518.76
  6. Step 6: Final answer
    x = 145,161,504.24

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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.