Finding the Fourth Proportional to 117,876,070.97, 162,677,575.47 and 68,329,236.05
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Solution
The fourth proportional to 117,876,070.97, 162,677,575.47 and 68,329,236.05 is: 94,299,329.48
Step by Step Solution
- Step 1: Write the proportion equation
117,876,070.97 : 162,677,575.47 = 68,329,236.05 : x - Step 2: Convert to fraction form
117,876,070.97/162,677,575.47 = 68,329,236.05/x - Step 3: Cross multiply
117,876,070.97x = 162,677,575.47 × 68,329,236.05 - Step 4: Simplify right side
117,876,070.97x = 11,115,634,454,331,320 - Step 5: Solve for x
x = 11,115,634,454,331,320/117,876,070.97 - Step 6: Final answer
x = 94,299,329.48
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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.