Finding the Fourth Proportional to 203,644,311.99, 281,088,369.23 and 133,090,535.85
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Solution
The fourth proportional to 203,644,311.99, 281,088,369.23 and 133,090,535.85 is: 183,703,641.49
Step by Step Solution
- Step 1: Write the proportion equation
203,644,311.99 : 281,088,369.23 = 133,090,535.85 : x - Step 2: Convert to fraction form
203,644,311.99/281,088,369.23 = 133,090,535.85/x - Step 3: Cross multiply
203,644,311.99x = 281,088,369.23 × 133,090,535.85 - Step 4: Simplify right side
203,644,311.99x = 37,410,201,681,357,904 - Step 5: Solve for x
x = 37,410,201,681,357,904/203,644,311.99 - Step 6: Final answer
x = 183,703,641.49
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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.