Home / 328,058,065.36-492,087,571.65-133,969,480.54

Finding the Fourth Proportional to 328,058,065.36, 492,087,571.65 and 133,969,480.54

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Solution

The fourth proportional to 328,058,065.36, 492,087,571.65 and 133,969,480.54 is: 200,954,414.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,058,065.36 : 492,087,571.65 = 133,969,480.54 : x
  2. Step 2: Convert to fraction form
    328,058,065.36/492,087,571.65 = 133,969,480.54/x
  3. Step 3: Cross multiply
    328,058,065.36x = 492,087,571.65 × 133,969,480.54
  4. Step 4: Simplify right side
    328,058,065.36x = 65,924,716,355,680,760
  5. Step 5: Solve for x
    x = 65,924,716,355,680,760/328,058,065.36
  6. Step 6: Final answer
    x = 200,954,414.22

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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.