Finding the Fourth Proportional to 61,109,101.20, 84,552,625.33 and 53,284,928.79
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Solution
The fourth proportional to 61,109,101.20, 84,552,625.33 and 53,284,928.79 is: 73,726,834.98
Step by Step Solution
- Step 1: Write the proportion equation
61,109,101.20 : 84,552,625.33 = 53,284,928.79 : x - Step 2: Convert to fraction form
61,109,101.20/84,552,625.33 = 53,284,928.79/x - Step 3: Cross multiply
61,109,101.20x = 84,552,625.33 × 53,284,928.79 - Step 4: Simplify right side
61,109,101.20x = 4,505,380,619,716,600 - Step 5: Solve for x
x = 4,505,380,619,716,600/61,109,101.20 - Step 6: Final answer
x = 73,726,834.98
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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.