Finding the Fourth Proportional to 203,423,450.70, 280,722,388.42 and 110,603,957.70
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Solution
The fourth proportional to 203,423,450.70, 280,722,388.42 and 110,603,957.70 is: 152,632,388.58
Step by Step Solution
- Step 1: Write the proportion equation
203,423,450.70 : 280,722,388.42 = 110,603,957.70 : x - Step 2: Convert to fraction form
203,423,450.70/280,722,388.42 = 110,603,957.70/x - Step 3: Cross multiply
203,423,450.70x = 280,722,388.42 × 110,603,957.70 - Step 4: Simplify right side
203,423,450.70x = 31,049,007,174,248,652 - Step 5: Solve for x
x = 31,049,007,174,248,652/203,423,450.70 - Step 6: Final answer
x = 152,632,388.58
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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.