Finding the Fourth Proportional to 129,068,445,972.24, 193,603,032,166.77 and 49,504,384,421.93
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Solution
The fourth proportional to 129,068,445,972.24, 193,603,032,166.77 and 49,504,384,421.93 is: 74,256,715,941.99
Step by Step Solution
- Step 1: Write the proportion equation
129,068,445,972.24 : 193,603,032,166.77 = 49,504,384,421.93 : x - Step 2: Convert to fraction form
129,068,445,972.24/193,603,032,166.77 = 49,504,384,421.93/x - Step 3: Cross multiply
129,068,445,972.24x = 193,603,032,166.77 × 49,504,384,421.93 - Step 4: Simplify right side
129,068,445,972.24x = 9,584,198,929,634,094,481,408 - Step 5: Solve for x
x = 9,584,198,929,634,094,481,408/129,068,445,972.24 - Step 6: Final answer
x = 74,256,715,941.99
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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.