Finding the Fourth Proportional to 205,644,715.75, 283,789,707.74 and 117,540,605.14
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Solution
The fourth proportional to 205,644,715.75, 283,789,707.74 and 117,540,605.14 is: 162,206,035.09
Step by Step Solution
- Step 1: Write the proportion equation
205,644,715.75 : 283,789,707.74 = 117,540,605.14 : x - Step 2: Convert to fraction form
205,644,715.75/283,789,707.74 = 117,540,605.14/x - Step 3: Cross multiply
205,644,715.75x = 283,789,707.74 × 117,540,605.14 - Step 4: Simplify right side
205,644,715.75x = 33,356,813,979,406,940 - Step 5: Solve for x
x = 33,356,813,979,406,940/205,644,715.75 - Step 6: Final answer
x = 162,206,035.09
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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.