Finding the Fourth Proportional to 129,068,445,531.99, 193,603,031,504.82 and 49,504,383,981.57
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Solution
The fourth proportional to 129,068,445,531.99, 193,603,031,504.82 and 49,504,383,981.57 is: 74,256,715,280.85
Step by Step Solution
- Step 1: Write the proportion equation
129,068,445,531.99 : 193,603,031,504.82 = 49,504,383,981.57 : x - Step 2: Convert to fraction form
129,068,445,531.99/193,603,031,504.82 = 49,504,383,981.57/x - Step 3: Cross multiply
129,068,445,531.99x = 193,603,031,504.82 × 49,504,383,981.57 - Step 4: Simplify right side
129,068,445,531.99x = 9,584,198,811,610,603,585,536 - Step 5: Solve for x
x = 9,584,198,811,610,603,585,536/129,068,445,531.99 - Step 6: Final answer
x = 74,256,715,280.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.