Finding the Fourth Proportional to 49,716,193.84, 68,610,486.32 and 27,689,702.96
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Solution
The fourth proportional to 49,716,193.84, 68,610,486.32 and 27,689,702.96 is: 38,212,981.31
Step by Step Solution
- Step 1: Write the proportion equation
49,716,193.84 : 68,610,486.32 = 27,689,702.96 : x - Step 2: Convert to fraction form
49,716,193.84/68,610,486.32 = 27,689,702.96/x - Step 3: Cross multiply
49,716,193.84x = 68,610,486.32 × 27,689,702.96 - Step 4: Simplify right side
49,716,193.84x = 1,899,803,986,141,943.25 - Step 5: Solve for x
x = 1,899,803,986,141,943.25/49,716,193.84 - Step 6: Final answer
x = 38,212,981.31
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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.