Home / 210,603,481.90-290,647,524.99-117,792,567.34

Finding the Fourth Proportional to 210,603,481.90, 290,647,524.99 and 117,792,567.34

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Solution

The fourth proportional to 210,603,481.90, 290,647,524.99 and 117,792,567.34 is: 162,561,975.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,603,481.90 : 290,647,524.99 = 117,792,567.34 : x
  2. Step 2: Convert to fraction form
    210,603,481.90/290,647,524.99 = 117,792,567.34/x
  3. Step 3: Cross multiply
    210,603,481.90x = 290,647,524.99 × 117,792,567.34
  4. Step 4: Simplify right side
    210,603,481.90x = 34,236,118,159,588,908
  5. Step 5: Solve for x
    x = 34,236,118,159,588,908/210,603,481.90
  6. Step 6: Final answer
    x = 162,561,975.95

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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.