Home / 85,187,870,007-117,562,722,062.04-47,125,420,771.92

Finding the Fourth Proportional to 85,187,870,007, 117,562,722,062.04 and 47,125,420,771.92

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Solution

The fourth proportional to 85,187,870,007, 117,562,722,062.04 and 47,125,420,771.92 is: 65,034,995,520.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,187,870,007 : 117,562,722,062.04 = 47,125,420,771.92 : x
  2. Step 2: Convert to fraction form
    85,187,870,007/117,562,722,062.04 = 47,125,420,771.92/x
  3. Step 3: Cross multiply
    85,187,870,007x = 117,562,722,062.04 × 47,125,420,771.92
  4. Step 4: Simplify right side
    85,187,870,007x = 5,540,192,744,265,917,399,040
  5. Step 5: Solve for x
    x = 5,540,192,744,265,917,399,040/85,187,870,007
  6. Step 6: Final answer
    x = 65,034,995,520.03

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1.5x scale

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.