Home / 216,438,584.22-298,677,244.29-117,317,203.44

Finding the Fourth Proportional to 216,438,584.22, 298,677,244.29 and 117,317,203.44

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Solution

The fourth proportional to 216,438,584.22, 298,677,244.29 and 117,317,203.44 is: 161,893,403.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,438,584.22 : 298,677,244.29 = 117,317,203.44 : x
  2. Step 2: Convert to fraction form
    216,438,584.22/298,677,244.29 = 117,317,203.44/x
  3. Step 3: Cross multiply
    216,438,584.22x = 298,677,244.29 × 117,317,203.44
  4. Step 4: Simplify right side
    216,438,584.22x = 35,039,979,031,268,512
  5. Step 5: Solve for x
    x = 35,039,979,031,268,512/216,438,584.22
  6. Step 6: Final answer
    x = 161,893,403.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.