Finding the Fourth Proportional to 214,993,728.48, 296,597,784.84 and 136,635,311.88
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Solution
The fourth proportional to 214,993,728.48, 296,597,784.84 and 136,635,311.88 is: 188,497,269.76
Step by Step Solution
- Step 1: Write the proportion equation
214,993,728.48 : 296,597,784.84 = 136,635,311.88 : x - Step 2: Convert to fraction form
214,993,728.48/296,597,784.84 = 136,635,311.88/x - Step 3: Cross multiply
214,993,728.48x = 296,597,784.84 × 136,635,311.88 - Step 4: Simplify right side
214,993,728.48x = 40,525,730,834,530,528 - Step 5: Solve for x
x = 40,525,730,834,530,528/214,993,728.48 - Step 6: Final answer
x = 188,497,269.76
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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.