Home / 74,942,246.96-103,388,631.54-50,170,413.68

Finding the Fourth Proportional to 74,942,246.96, 103,388,631.54 and 50,170,413.68

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Solution

The fourth proportional to 74,942,246.96, 103,388,631.54 and 50,170,413.68 is: 69,213,969.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,942,246.96 : 103,388,631.54 = 50,170,413.68 : x
  2. Step 2: Convert to fraction form
    74,942,246.96/103,388,631.54 = 50,170,413.68/x
  3. Step 3: Cross multiply
    74,942,246.96x = 103,388,631.54 × 50,170,413.68
  4. Step 4: Simplify right side
    74,942,246.96x = 5,187,050,414,170,896
  5. Step 5: Solve for x
    x = 5,187,050,414,170,896/74,942,246.96
  6. Step 6: Final answer
    x = 69,213,969.75

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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.