Home / 213,109,196.40-294,090,679.80-115,324,052.40

Finding the Fourth Proportional to 213,109,196.40, 294,090,679.80 and 115,324,052.40

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Solution

The fourth proportional to 213,109,196.40, 294,090,679.80 and 115,324,052.40 is: 159,147,186.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,109,196.40 : 294,090,679.80 = 115,324,052.40 : x
  2. Step 2: Convert to fraction form
    213,109,196.40/294,090,679.80 = 115,324,052.40/x
  3. Step 3: Cross multiply
    213,109,196.40x = 294,090,679.80 × 115,324,052.40
  4. Step 4: Simplify right side
    213,109,196.40x = 33,915,728,967,606,824
  5. Step 5: Solve for x
    x = 33,915,728,967,606,824/213,109,196.40
  6. Step 6: Final answer
    x = 159,147,186.23

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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.