Home / 81,873,670,105.21-112,991,511,397.20-45,250,997,616.55

Finding the Fourth Proportional to 81,873,670,105.21, 112,991,511,397.20 and 45,250,997,616.55

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Solution

The fourth proportional to 81,873,670,105.21, 112,991,511,397.20 and 45,250,997,616.55 is: 62,449,608,114.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,873,670,105.21 : 112,991,511,397.20 = 45,250,997,616.55 : x
  2. Step 2: Convert to fraction form
    81,873,670,105.21/112,991,511,397.20 = 45,250,997,616.55/x
  3. Step 3: Cross multiply
    81,873,670,105.21x = 112,991,511,397.20 × 45,250,997,616.55
  4. Step 4: Simplify right side
    81,873,670,105.21x = 5,112,978,612,925,080,010,752
  5. Step 5: Solve for x
    x = 5,112,978,612,925,080,010,752/81,873,670,105.21
  6. Step 6: Final answer
    x = 62,449,608,114.00

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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.