Finding the Fourth Proportional to 285,677,201.34, 394,238,623.30 and 214,023,122.03
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Solution
The fourth proportional to 285,677,201.34, 394,238,623.30 and 214,023,122.03 is: 295,354,969.13
Step by Step Solution
- Step 1: Write the proportion equation
285,677,201.34 : 394,238,623.30 = 214,023,122.03 : x - Step 2: Convert to fraction form
285,677,201.34/394,238,623.30 = 214,023,122.03/x - Step 3: Cross multiply
285,677,201.34x = 394,238,623.30 × 214,023,122.03 - Step 4: Simplify right side
285,677,201.34x = 84,376,180,983,618,848 - Step 5: Solve for x
x = 84,376,180,983,618,848/285,677,201.34 - Step 6: Final answer
x = 295,354,969.13
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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.