Home / 81,546,033,175.20-122,319,049,762.80-25,665,649,754.40

Finding the Fourth Proportional to 81,546,033,175.20, 122,319,049,762.80 and 25,665,649,754.40

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Solution

The fourth proportional to 81,546,033,175.20, 122,319,049,762.80 and 25,665,649,754.40 is: 38,498,474,631.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,546,033,175.20 : 122,319,049,762.80 = 25,665,649,754.40 : x
  2. Step 2: Convert to fraction form
    81,546,033,175.20/122,319,049,762.80 = 25,665,649,754.40/x
  3. Step 3: Cross multiply
    81,546,033,175.20x = 122,319,049,762.80 × 25,665,649,754.40
  4. Step 4: Simplify right side
    81,546,033,175.20x = 3,139,397,889,503,049,285,632
  5. Step 5: Solve for x
    x = 3,139,397,889,503,049,285,632/81,546,033,175.20
  6. Step 6: Final answer
    x = 38,498,474,631.60

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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.