Finding the Fourth Proportional to 213,841,872.99, 295,101,905.81 and 116,056,728.99
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Solution
The fourth proportional to 213,841,872.99, 295,101,905.81 and 116,056,728.99 is: 160,158,351.72
Step by Step Solution
- Step 1: Write the proportion equation
213,841,872.99 : 295,101,905.81 = 116,056,728.99 : x - Step 2: Convert to fraction form
213,841,872.99/295,101,905.81 = 116,056,728.99/x - Step 3: Cross multiply
213,841,872.99x = 295,101,905.81 × 116,056,728.99 - Step 4: Simplify right side
213,841,872.99x = 34,248,561,906,443,392 - Step 5: Solve for x
x = 34,248,561,906,443,392/213,841,872.99 - Step 6: Final answer
x = 160,158,351.72
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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.