Home / 236,265,286.80-354,229,968.60-90,642,579.60

Finding the Fourth Proportional to 236,265,286.80, 354,229,968.60 and 90,642,579.60

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Solution

The fourth proportional to 236,265,286.80, 354,229,968.60 and 90,642,579.60 is: 135,899,431.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,265,286.80 : 354,229,968.60 = 90,642,579.60 : x
  2. Step 2: Convert to fraction form
    236,265,286.80/354,229,968.60 = 90,642,579.60/x
  3. Step 3: Cross multiply
    236,265,286.80x = 354,229,968.60 × 90,642,579.60
  4. Step 4: Simplify right side
    236,265,286.80x = 32,108,318,125,531,000
  5. Step 5: Solve for x
    x = 32,108,318,125,531,000/236,265,286.80
  6. Step 6: Final answer
    x = 135,899,431.36

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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.