Home / 314,422,936.32-433,885,945.72-173,293,729.04

Finding the Fourth Proportional to 314,422,936.32, 433,885,945.72 and 173,293,729.04

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Solution

The fourth proportional to 314,422,936.32, 433,885,945.72 and 173,293,729.04 is: 239,135,587.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,422,936.32 : 433,885,945.72 = 173,293,729.04 : x
  2. Step 2: Convert to fraction form
    314,422,936.32/433,885,945.72 = 173,293,729.04/x
  3. Step 3: Cross multiply
    314,422,936.32x = 433,885,945.72 × 173,293,729.04
  4. Step 4: Simplify right side
    314,422,936.32x = 75,189,713,511,865,824
  5. Step 5: Solve for x
    x = 75,189,713,511,865,824/314,422,936.32
  6. Step 6: Final answer
    x = 239,135,587.22

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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.