Home / 314,887,231.80-472,397,202.90-133,040,806.20

Finding the Fourth Proportional to 314,887,231.80, 472,397,202.90 and 133,040,806.20

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Solution

The fourth proportional to 314,887,231.80, 472,397,202.90 and 133,040,806.20 is: 199,589,244.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,887,231.80 : 472,397,202.90 = 133,040,806.20 : x
  2. Step 2: Convert to fraction form
    314,887,231.80/472,397,202.90 = 133,040,806.20/x
  3. Step 3: Cross multiply
    314,887,231.80x = 472,397,202.90 × 133,040,806.20
  4. Step 4: Simplify right side
    314,887,231.80x = 62,848,104,720,440,976
  5. Step 5: Solve for x
    x = 62,848,104,720,440,976/314,887,231.80
  6. Step 6: Final answer
    x = 199,589,244.57

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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.