Home / 193,414,342.40-266,909,288.82-105,307,329.50

Finding the Fourth Proportional to 193,414,342.40, 266,909,288.82 and 105,307,329.50

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Solution

The fourth proportional to 193,414,342.40, 266,909,288.82 and 105,307,329.50 is: 145,322,751.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,414,342.40 : 266,909,288.82 = 105,307,329.50 : x
  2. Step 2: Convert to fraction form
    193,414,342.40/266,909,288.82 = 105,307,329.50/x
  3. Step 3: Cross multiply
    193,414,342.40x = 266,909,288.82 × 105,307,329.50
  4. Step 4: Simplify right side
    193,414,342.40x = 28,107,504,424,378,404
  5. Step 5: Solve for x
    x = 28,107,504,424,378,404/193,414,342.40
  6. Step 6: Final answer
    x = 145,322,751.54

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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.