Finding the Fourth Proportional to 173,198,356.71, 259,882,893.68 and 81,088,331.91
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Solution
The fourth proportional to 173,198,356.71, 259,882,893.68 and 81,088,331.91 is: 121,672,461.22
Step by Step Solution
- Step 1: Write the proportion equation
173,198,356.71 : 259,882,893.68 = 81,088,331.91 : x - Step 2: Convert to fraction form
173,198,356.71/259,882,893.68 = 81,088,331.91/x - Step 3: Cross multiply
173,198,356.71x = 259,882,893.68 × 81,088,331.91 - Step 4: Simplify right side
173,198,356.71x = 21,073,470,340,049,640 - Step 5: Solve for x
x = 21,073,470,340,049,640/173,198,356.71 - Step 6: Final answer
x = 121,672,461.22
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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.