Home / 49,611,413.76-68,448,363.84-28,969,969.92

Finding the Fourth Proportional to 49,611,413.76, 68,448,363.84 and 28,969,969.92

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Solution

The fourth proportional to 49,611,413.76, 68,448,363.84 and 28,969,969.92 is: 39,969,573.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,611,413.76 : 68,448,363.84 = 28,969,969.92 : x
  2. Step 2: Convert to fraction form
    49,611,413.76/68,448,363.84 = 28,969,969.92/x
  3. Step 3: Cross multiply
    49,611,413.76x = 68,448,363.84 × 28,969,969.92
  4. Step 4: Simplify right side
    49,611,413.76x = 1,982,947,041,518,016
  5. Step 5: Solve for x
    x = 1,982,947,041,518,016/49,611,413.76
  6. Step 6: Final answer
    x = 39,969,573.35

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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.