Home / 80,415,261,040.80-120,622,891,561.20-27,416,138,145.60

Finding the Fourth Proportional to 80,415,261,040.80, 120,622,891,561.20 and 27,416,138,145.60

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Solution

The fourth proportional to 80,415,261,040.80, 120,622,891,561.20 and 27,416,138,145.60 is: 41,124,207,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,415,261,040.80 : 120,622,891,561.20 = 27,416,138,145.60 : x
  2. Step 2: Convert to fraction form
    80,415,261,040.80/120,622,891,561.20 = 27,416,138,145.60/x
  3. Step 3: Cross multiply
    80,415,261,040.80x = 120,622,891,561.20 × 27,416,138,145.60
  4. Step 4: Simplify right side
    80,415,261,040.80x = 3,307,013,858,563,587,571,712
  5. Step 5: Solve for x
    x = 3,307,013,858,563,587,571,712/80,415,261,040.80
  6. Step 6: Final answer
    x = 41,124,207,218.40

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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.