Home / 54,581,395,876.45-81,873,761,717.25-18,725,649,970.91

Finding the Fourth Proportional to 54,581,395,876.45, 81,873,761,717.25 and 18,725,649,970.91

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Solution

The fourth proportional to 54,581,395,876.45, 81,873,761,717.25 and 18,725,649,970.91 is: 28,089,047,176.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,581,395,876.45 : 81,873,761,717.25 = 18,725,649,970.91 : x
  2. Step 2: Convert to fraction form
    54,581,395,876.45/81,873,761,717.25 = 18,725,649,970.91/x
  3. Step 3: Cross multiply
    54,581,395,876.45x = 81,873,761,717.25 × 18,725,649,970.91
  4. Step 4: Simplify right side
    54,581,395,876.45x = 1,533,139,403,718,448,906,240
  5. Step 5: Solve for x
    x = 1,533,139,403,718,448,906,240/54,581,395,876.45
  6. Step 6: Final answer
    x = 28,089,047,176.24

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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.