Finding the Fourth Proportional to 306,194,615.80, 459,291,923.70 and 220,101,173.80
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Solution
The fourth proportional to 306,194,615.80, 459,291,923.70 and 220,101,173.80 is: 330,151,760.70
Step by Step Solution
- Step 1: Write the proportion equation
306,194,615.80 : 459,291,923.70 = 220,101,173.80 : x - Step 2: Convert to fraction form
306,194,615.80/459,291,923.70 = 220,101,173.80/x - Step 3: Cross multiply
306,194,615.80x = 459,291,923.70 × 220,101,173.80 - Step 4: Simplify right side
306,194,615.80x = 101,090,691,523,230,048 - Step 5: Solve for x
x = 101,090,691,523,230,048/306,194,615.80 - Step 6: Final answer
x = 330,151,760.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.