Finding the Fourth Proportional to 226,379,555.38, 312,405,097.76 and 127,259,434.99
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Solution
The fourth proportional to 226,379,555.38, 312,405,097.76 and 127,259,434.99 is: 175,618,757.45
Step by Step Solution
- Step 1: Write the proportion equation
226,379,555.38 : 312,405,097.76 = 127,259,434.99 : x - Step 2: Convert to fraction form
226,379,555.38/312,405,097.76 = 127,259,434.99/x - Step 3: Cross multiply
226,379,555.38x = 312,405,097.76 × 127,259,434.99 - Step 4: Simplify right side
226,379,555.38x = 39,756,496,228,933,312 - Step 5: Solve for x
x = 39,756,496,228,933,312/226,379,555.38 - Step 6: Final answer
x = 175,618,757.45
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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.