Home / 147,269,413.80-220,856,042.34-48,874,689.72

Finding the Fourth Proportional to 147,269,413.80, 220,856,042.34 and 48,874,689.72

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Solution

The fourth proportional to 147,269,413.80, 220,856,042.34 and 48,874,689.72 is: 73,296,078.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,269,413.80 : 220,856,042.34 = 48,874,689.72 : x
  2. Step 2: Convert to fraction form
    147,269,413.80/220,856,042.34 = 48,874,689.72/x
  3. Step 3: Cross multiply
    147,269,413.80x = 220,856,042.34 × 48,874,689.72
  4. Step 4: Simplify right side
    147,269,413.80x = 10,794,270,542,154,682
  5. Step 5: Solve for x
    x = 10,794,270,542,154,682/147,269,413.80
  6. Step 6: Final answer
    x = 73,296,078.69

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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.