Home / 54,581,374,372.55-81,873,729,481.87-18,725,628,476.57

Finding the Fourth Proportional to 54,581,374,372.55, 81,873,729,481.87 and 18,725,628,476.57

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Solution

The fourth proportional to 54,581,374,372.55, 81,873,729,481.87 and 18,725,628,476.57 is: 28,089,014,941.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,581,374,372.55 : 81,873,729,481.87 = 18,725,628,476.57 : x
  2. Step 2: Convert to fraction form
    54,581,374,372.55/81,873,729,481.87 = 18,725,628,476.57/x
  3. Step 3: Cross multiply
    54,581,374,372.55x = 81,873,729,481.87 × 18,725,628,476.57
  4. Step 4: Simplify right side
    54,581,374,372.55x = 1,533,137,040,268,693,602,304
  5. Step 5: Solve for x
    x = 1,533,137,040,268,693,602,304/54,581,374,372.55
  6. Step 6: Final answer
    x = 28,089,014,941.33

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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.