Home / 347,957,141.90-521,590,956.07-163,394,232.21

Finding the Fourth Proportional to 347,957,141.90, 521,590,956.07 and 163,394,232.21

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Solution

The fourth proportional to 347,957,141.90, 521,590,956.07 and 163,394,232.21 is: 244,929,456.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,957,141.90 : 521,590,956.07 = 163,394,232.21 : x
  2. Step 2: Convert to fraction form
    347,957,141.90/521,590,956.07 = 163,394,232.21/x
  3. Step 3: Cross multiply
    347,957,141.90x = 521,590,956.07 × 163,394,232.21
  4. Step 4: Simplify right side
    347,957,141.90x = 85,224,953,794,737,488
  5. Step 5: Solve for x
    x = 85,224,953,794,737,488/347,957,141.90
  6. Step 6: Final answer
    x = 244,929,456.91

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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.