Home / 77,530,214.57-106,992,413.64-42,724,150.61

Finding the Fourth Proportional to 77,530,214.57, 106,992,413.64 and 42,724,150.61

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Solution

The fourth proportional to 77,530,214.57, 106,992,413.64 and 42,724,150.61 is: 58,959,723.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,530,214.57 : 106,992,413.64 = 42,724,150.61 : x
  2. Step 2: Convert to fraction form
    77,530,214.57/106,992,413.64 = 42,724,150.61/x
  3. Step 3: Cross multiply
    77,530,214.57x = 106,992,413.64 × 42,724,150.61
  4. Step 4: Simplify right side
    77,530,214.57x = 4,571,159,993,947,816
  5. Step 5: Solve for x
    x = 4,571,159,993,947,816/77,530,214.57
  6. Step 6: Final answer
    x = 58,959,723.25

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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.