Finding the Fourth Proportional to 129,476,403.40, 194,289,254.70 and 48,755,302.60
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Solution
The fourth proportional to 129,476,403.40, 194,289,254.70 and 48,755,302.60 is: 73,161,063.76
Step by Step Solution
- Step 1: Write the proportion equation
129,476,403.40 : 194,289,254.70 = 48,755,302.60 : x - Step 2: Convert to fraction form
129,476,403.40/194,289,254.70 = 48,755,302.60/x - Step 3: Cross multiply
129,476,403.40x = 194,289,254.70 × 48,755,302.60 - Step 4: Simplify right side
129,476,403.40x = 9,472,631,404,826,972 - Step 5: Solve for x
x = 9,472,631,404,826,972/129,476,403.40 - Step 6: Final answer
x = 73,161,063.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.