Home / 347,957,140.90-521,590,954.57-163,394,231.21

Finding the Fourth Proportional to 347,957,140.90, 521,590,954.57 and 163,394,231.21

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Solution

The fourth proportional to 347,957,140.90, 521,590,954.57 and 163,394,231.21 is: 244,929,455.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,957,140.90 : 521,590,954.57 = 163,394,231.21 : x
  2. Step 2: Convert to fraction form
    347,957,140.90/521,590,954.57 = 163,394,231.21/x
  3. Step 3: Cross multiply
    347,957,140.90x = 521,590,954.57 × 163,394,231.21
  4. Step 4: Simplify right side
    347,957,140.90x = 85,224,953,026,994,720
  5. Step 5: Solve for x
    x = 85,224,953,026,994,720/347,957,140.90
  6. Step 6: Final answer
    x = 244,929,455.41

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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.