Home / 210,603,480.90-290,647,523.61-117,792,566.34

Finding the Fourth Proportional to 210,603,480.90, 290,647,523.61 and 117,792,566.34

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Solution

The fourth proportional to 210,603,480.90, 290,647,523.61 and 117,792,566.34 is: 162,561,974.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,603,480.90 : 290,647,523.61 = 117,792,566.34 : x
  2. Step 2: Convert to fraction form
    210,603,480.90/290,647,523.61 = 117,792,566.34/x
  3. Step 3: Cross multiply
    210,603,480.90x = 290,647,523.61 × 117,792,566.34
  4. Step 4: Simplify right side
    210,603,480.90x = 34,236,117,706,387,644
  5. Step 5: Solve for x
    x = 34,236,117,706,387,644/210,603,480.90
  6. Step 6: Final answer
    x = 162,561,974.57

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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.