Finding the Fourth Proportional to 194,633,685.63, 268,565,593.80 and 118,212,174.99
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Solution
The fourth proportional to 194,633,685.63, 268,565,593.80 and 118,212,174.99 is: 163,115,253.50
Step by Step Solution
- Step 1: Write the proportion equation
194,633,685.63 : 268,565,593.80 = 118,212,174.99 : x - Step 2: Convert to fraction form
194,633,685.63/268,565,593.80 = 118,212,174.99/x - Step 3: Cross multiply
194,633,685.63x = 268,565,593.80 × 118,212,174.99 - Step 4: Simplify right side
194,633,685.63x = 31,747,722,970,578,860 - Step 5: Solve for x
x = 31,747,722,970,578,860/194,633,685.63 - Step 6: Final answer
x = 163,115,253.50
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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.