Home / 54,645,405.68-81,968,460.83-21,858,713.60

Finding the Fourth Proportional to 54,645,405.68, 81,968,460.83 and 21,858,713.60

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Solution

The fourth proportional to 54,645,405.68, 81,968,460.83 and 21,858,713.60 is: 32,788,211.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,645,405.68 : 81,968,460.83 = 21,858,713.60 : x
  2. Step 2: Convert to fraction form
    54,645,405.68/81,968,460.83 = 21,858,713.60/x
  3. Step 3: Cross multiply
    54,645,405.68x = 81,968,460.83 × 21,858,713.60
  4. Step 4: Simplify right side
    54,645,405.68x = 1,791,725,109,365,513.75
  5. Step 5: Solve for x
    x = 1,791,725,109,365,513.75/54,645,405.68
  6. Step 6: Final answer
    x = 32,788,211.33

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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.