Finding the Fourth Proportional to 201,942,577.24, 278,633,292.26 and 122,555,879.14
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Solution
The fourth proportional to 201,942,577.24, 278,633,292.26 and 122,555,879.14 is: 169,098,307.83
Step by Step Solution
- Step 1: Write the proportion equation
201,942,577.24 : 278,633,292.26 = 122,555,879.14 : x - Step 2: Convert to fraction form
201,942,577.24/278,633,292.26 = 122,555,879.14/x - Step 3: Cross multiply
201,942,577.24x = 278,633,292.26 × 122,555,879.14 - Step 4: Simplify right side
201,942,577.24x = 34,148,148,090,646,640 - Step 5: Solve for x
x = 34,148,148,090,646,640/201,942,577.24 - Step 6: Final answer
x = 169,098,307.83
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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.