Finding the Fourth Proportional to 205,644,721.10, 283,789,715.11 and 117,540,610.47
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Solution
The fourth proportional to 205,644,721.10, 283,789,715.11 and 117,540,610.47 is: 162,206,042.45
Step by Step Solution
- Step 1: Write the proportion equation
205,644,721.10 : 283,789,715.11 = 117,540,610.47 : x - Step 2: Convert to fraction form
205,644,721.10/283,789,715.11 = 117,540,610.47/x - Step 3: Cross multiply
205,644,721.10x = 283,789,715.11 × 117,540,610.47 - Step 4: Simplify right side
205,644,721.10x = 33,356,816,358,842,932 - Step 5: Solve for x
x = 33,356,816,358,842,932/205,644,721.10 - Step 6: Final answer
x = 162,206,042.45
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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.