Home / 54,581,395,877.67-81,873,761,719.06-18,725,649,972.12

Finding the Fourth Proportional to 54,581,395,877.67, 81,873,761,719.06 and 18,725,649,972.12

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Solution

The fourth proportional to 54,581,395,877.67, 81,873,761,719.06 and 18,725,649,972.12 is: 28,089,047,178.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,581,395,877.67 : 81,873,761,719.06 = 18,725,649,972.12 : x
  2. Step 2: Convert to fraction form
    54,581,395,877.67/81,873,761,719.06 = 18,725,649,972.12/x
  3. Step 3: Cross multiply
    54,581,395,877.67x = 81,873,761,719.06 × 18,725,649,972.12
  4. Step 4: Simplify right side
    54,581,395,877.67x = 1,533,139,403,851,875,221,504
  5. Step 5: Solve for x
    x = 1,533,139,403,851,875,221,504/54,581,395,877.67
  6. Step 6: Final answer
    x = 28,089,047,178.05

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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.