Home / 81,873,670,100.43-112,991,511,390.58-45,250,997,611.77

Finding the Fourth Proportional to 81,873,670,100.43, 112,991,511,390.58 and 45,250,997,611.77

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Solution

The fourth proportional to 81,873,670,100.43, 112,991,511,390.58 and 45,250,997,611.77 is: 62,449,608,107.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,873,670,100.43 : 112,991,511,390.58 = 45,250,997,611.77 : x
  2. Step 2: Convert to fraction form
    81,873,670,100.43/112,991,511,390.58 = 45,250,997,611.77/x
  3. Step 3: Cross multiply
    81,873,670,100.43x = 112,991,511,390.58 × 45,250,997,611.77
  4. Step 4: Simplify right side
    81,873,670,100.43x = 5,112,978,612,085,418,098,688
  5. Step 5: Solve for x
    x = 5,112,978,612,085,418,098,688/81,873,670,100.43
  6. Step 6: Final answer
    x = 62,449,608,107.39

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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.