Finding the Fourth Proportional to 54,625,415.20, 75,382,193.14 and 29,845,069.81
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Solution
The fourth proportional to 54,625,415.20, 75,382,193.14 and 29,845,069.81 is: 41,185,715.63
Step by Step Solution
- Step 1: Write the proportion equation
54,625,415.20 : 75,382,193.14 = 29,845,069.81 : x - Step 2: Convert to fraction form
54,625,415.20/75,382,193.14 = 29,845,069.81/x - Step 3: Cross multiply
54,625,415.20x = 75,382,193.14 × 29,845,069.81 - Step 4: Simplify right side
54,625,415.20x = 2,249,786,816,431,135 - Step 5: Solve for x
x = 2,249,786,816,431,135/54,625,415.20 - Step 6: Final answer
x = 41,185,715.63
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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.