Finding the Fourth Proportional to 181,916,202.20, 272,874,303.30 and 138,869,481.20
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Solution
The fourth proportional to 181,916,202.20, 272,874,303.30 and 138,869,481.20 is: 208,304,221.80
Step by Step Solution
- Step 1: Write the proportion equation
181,916,202.20 : 272,874,303.30 = 138,869,481.20 : x - Step 2: Convert to fraction form
181,916,202.20/272,874,303.30 = 138,869,481.20/x - Step 3: Cross multiply
181,916,202.20x = 272,874,303.30 × 138,869,481.20 - Step 4: Simplify right side
181,916,202.20x = 37,893,912,932,082,448 - Step 5: Solve for x
x = 37,893,912,932,082,448/181,916,202.20 - Step 6: Final answer
x = 208,304,221.80
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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.