Home / 49,448,413.20-74,172,619.80-34,142,912.40

Finding the Fourth Proportional to 49,448,413.20, 74,172,619.80 and 34,142,912.40

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Solution

The fourth proportional to 49,448,413.20, 74,172,619.80 and 34,142,912.40 is: 51,214,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,448,413.20 : 74,172,619.80 = 34,142,912.40 : x
  2. Step 2: Convert to fraction form
    49,448,413.20/74,172,619.80 = 34,142,912.40/x
  3. Step 3: Cross multiply
    49,448,413.20x = 74,172,619.80 × 34,142,912.40
  4. Step 4: Simplify right side
    49,448,413.20x = 2,532,469,260,309,905.50
  5. Step 5: Solve for x
    x = 2,532,469,260,309,905.50/49,448,413.20
  6. Step 6: Final answer
    x = 51,214,368.60

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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.