Finding the Fourth Proportional to 303,432,973.02, 418,737,489.08 and 164,203,738.56
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Solution
The fourth proportional to 303,432,973.02, 418,737,489.08 and 164,203,738.56 is: 226,601,151.80
Step by Step Solution
- Step 1: Write the proportion equation
303,432,973.02 : 418,737,489.08 = 164,203,738.56 : x - Step 2: Convert to fraction form
303,432,973.02/418,737,489.08 = 164,203,738.56/x - Step 3: Cross multiply
303,432,973.02x = 418,737,489.08 × 164,203,738.56 - Step 4: Simplify right side
303,432,973.02x = 68,758,261,181,342,152 - Step 5: Solve for x
x = 68,758,261,181,342,152/303,432,973.02 - Step 6: Final answer
x = 226,601,151.80
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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.