Home / 54,581,395,876.67-81,873,761,717.56-18,725,649,971.12

Finding the Fourth Proportional to 54,581,395,876.67, 81,873,761,717.56 and 18,725,649,971.12

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Solution

The fourth proportional to 54,581,395,876.67, 81,873,761,717.56 and 18,725,649,971.12 is: 28,089,047,176.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,581,395,876.67 : 81,873,761,717.56 = 18,725,649,971.12 : x
  2. Step 2: Convert to fraction form
    54,581,395,876.67/81,873,761,717.56 = 18,725,649,971.12/x
  3. Step 3: Cross multiply
    54,581,395,876.67x = 81,873,761,717.56 × 18,725,649,971.12
  4. Step 4: Simplify right side
    54,581,395,876.67x = 1,533,139,403,741,491,888,128
  5. Step 5: Solve for x
    x = 1,533,139,403,741,491,888,128/54,581,395,876.67
  6. Step 6: Final answer
    x = 28,089,047,176.55

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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.