Finding the Fourth Proportional to 261,613,311.48, 392,476,266.68 and 130,526,081.28
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Solution
The fourth proportional to 261,613,311.48, 392,476,266.68 and 130,526,081.28 is: 195,817,211.27
Step by Step Solution
- Step 1: Write the proportion equation
261,613,311.48 : 392,476,266.68 = 130,526,081.28 : x - Step 2: Convert to fraction form
261,613,311.48/392,476,266.68 = 130,526,081.28/x - Step 3: Cross multiply
261,613,311.48x = 392,476,266.68 × 130,526,081.28 - Step 4: Simplify right side
261,613,311.48x = 51,228,389,086,125,824 - Step 5: Solve for x
x = 51,228,389,086,125,824/261,613,311.48 - Step 6: Final answer
x = 195,817,211.27
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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.