Finding the Fourth Proportional to 198,101,044.40, 297,151,566.60 and 125,541,633.20
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Solution
The fourth proportional to 198,101,044.40, 297,151,566.60 and 125,541,633.20 is: 188,312,449.80
Step by Step Solution
- Step 1: Write the proportion equation
198,101,044.40 : 297,151,566.60 = 125,541,633.20 : x - Step 2: Convert to fraction form
198,101,044.40/297,151,566.60 = 125,541,633.20/x - Step 3: Cross multiply
198,101,044.40x = 297,151,566.60 × 125,541,633.20 - Step 4: Simplify right side
198,101,044.40x = 37,304,892,978,902,576 - Step 5: Solve for x
x = 37,304,892,978,902,576/198,101,044.40 - Step 6: Final answer
x = 188,312,449.80
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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.