Finding the Fourth Proportional to 245,328,121.20, 367,992,181.80 and 176,453,367.60
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Solution
The fourth proportional to 245,328,121.20, 367,992,181.80 and 176,453,367.60 is: 264,680,051.40
Step by Step Solution
- Step 1: Write the proportion equation
245,328,121.20 : 367,992,181.80 = 176,453,367.60 : x - Step 2: Convert to fraction form
245,328,121.20/367,992,181.80 = 176,453,367.60/x - Step 3: Cross multiply
245,328,121.20x = 367,992,181.80 × 176,453,367.60 - Step 4: Simplify right side
245,328,121.20x = 64,933,459,729,081,432 - Step 5: Solve for x
x = 64,933,459,729,081,432/245,328,121.20 - Step 6: Final answer
x = 264,680,051.40
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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.