Finding the Fourth Proportional to 218,326,213.91, 301,287,890.13 and 119,206,654.09
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Solution
The fourth proportional to 218,326,213.91, 301,287,890.13 and 119,206,654.09 is: 164,503,934.99
Step by Step Solution
- Step 1: Write the proportion equation
218,326,213.91 : 301,287,890.13 = 119,206,654.09 : x - Step 2: Convert to fraction form
218,326,213.91/301,287,890.13 = 119,206,654.09/x - Step 3: Cross multiply
218,326,213.91x = 301,287,890.13 × 119,206,654.09 - Step 4: Simplify right side
218,326,213.91x = 35,915,521,299,704,916 - Step 5: Solve for x
x = 35,915,521,299,704,916/218,326,213.91 - Step 6: Final answer
x = 164,503,934.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.