Home / 258,467,890.56-356,685,256.48-140,993,220.76

Finding the Fourth Proportional to 258,467,890.56, 356,685,256.48 and 140,993,220.76

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Solution

The fourth proportional to 258,467,890.56, 356,685,256.48 and 140,993,220.76 is: 194,570,408.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,467,890.56 : 356,685,256.48 = 140,993,220.76 : x
  2. Step 2: Convert to fraction form
    258,467,890.56/356,685,256.48 = 140,993,220.76/x
  3. Step 3: Cross multiply
    258,467,890.56x = 356,685,256.48 × 140,993,220.76
  4. Step 4: Simplify right side
    258,467,890.56x = 50,290,203,108,721,856
  5. Step 5: Solve for x
    x = 50,290,203,108,721,856/258,467,890.56
  6. Step 6: Final answer
    x = 194,570,408.73

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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.