Home / 75,835,413.76-113,816,918.46-71,052,439.36

Finding the Fourth Proportional to 75,835,413.76, 113,816,918.46 and 71,052,439.36

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Solution

The fourth proportional to 75,835,413.76, 113,816,918.46 and 71,052,439.36 is: 106,638,433.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,835,413.76 : 113,816,918.46 = 71,052,439.36 : x
  2. Step 2: Convert to fraction form
    75,835,413.76/113,816,918.46 = 71,052,439.36/x
  3. Step 3: Cross multiply
    75,835,413.76x = 113,816,918.46 × 71,052,439.36
  4. Step 4: Simplify right side
    75,835,413.76x = 8,086,969,697,021,214
  5. Step 5: Solve for x
    x = 8,086,969,697,021,214/75,835,413.76
  6. Step 6: Final answer
    x = 106,638,433.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.