Home / 80,513,339,718.80-120,770,009,578.20-27,514,216,823.60

Finding the Fourth Proportional to 80,513,339,718.80, 120,770,009,578.20 and 27,514,216,823.60

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Solution

The fourth proportional to 80,513,339,718.80, 120,770,009,578.20 and 27,514,216,823.60 is: 41,271,325,235.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,513,339,718.80 : 120,770,009,578.20 = 27,514,216,823.60 : x
  2. Step 2: Convert to fraction form
    80,513,339,718.80/120,770,009,578.20 = 27,514,216,823.60/x
  3. Step 3: Cross multiply
    80,513,339,718.80x = 120,770,009,578.20 × 27,514,216,823.60
  4. Step 4: Simplify right side
    80,513,339,718.80x = 3,322,892,229,322,843,095,040
  5. Step 5: Solve for x
    x = 3,322,892,229,322,843,095,040/80,513,339,718.80
  6. Step 6: Final answer
    x = 41,271,325,235.40

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Double scale
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1.5x scale

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.