Finding the Fourth Proportional to 204,129,743.70, 306,194,615.55 and 146,734,115.70
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Solution
The fourth proportional to 204,129,743.70, 306,194,615.55 and 146,734,115.70 is: 220,101,173.55
Step by Step Solution
- Step 1: Write the proportion equation
204,129,743.70 : 306,194,615.55 = 146,734,115.70 : x - Step 2: Convert to fraction form
204,129,743.70/306,194,615.55 = 146,734,115.70/x - Step 3: Cross multiply
204,129,743.70x = 306,194,615.55 × 146,734,115.70 - Step 4: Simplify right side
204,129,743.70x = 44,929,196,144,830,720 - Step 5: Solve for x
x = 44,929,196,144,830,720/204,129,743.70 - Step 6: Final answer
x = 220,101,173.55
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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.