Finding the Fourth Proportional to 204,129,747.20, 306,194,620.80 and 146,734,119.20
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Solution
The fourth proportional to 204,129,747.20, 306,194,620.80 and 146,734,119.20 is: 220,101,178.80
Step by Step Solution
- Step 1: Write the proportion equation
204,129,747.20 : 306,194,620.80 = 146,734,119.20 : x - Step 2: Convert to fraction form
204,129,747.20/306,194,620.80 = 146,734,119.20/x - Step 3: Cross multiply
204,129,747.20x = 306,194,620.80 × 146,734,119.20 - Step 4: Simplify right side
204,129,747.20x = 44,929,197,986,866,000 - Step 5: Solve for x
x = 44,929,197,986,866,000/204,129,747.20 - Step 6: Final answer
x = 220,101,178.80
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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.