Finding the Fourth Proportional to 75,689,133.84, 104,496,377.48 and 49,629,112.40
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Solution
The fourth proportional to 75,689,133.84, 104,496,377.48 and 49,629,112.40 is: 68,517,925.89
Step by Step Solution
- Step 1: Write the proportion equation
75,689,133.84 : 104,496,377.48 = 49,629,112.40 : x - Step 2: Convert to fraction form
75,689,133.84/104,496,377.48 = 49,629,112.40/x - Step 3: Cross multiply
75,689,133.84x = 104,496,377.48 × 49,629,112.40 - Step 4: Simplify right side
75,689,133.84x = 5,186,062,463,347,749 - Step 5: Solve for x
x = 5,186,062,463,347,749/75,689,133.84 - Step 6: Final answer
x = 68,517,925.89
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.