Finding the Fourth Proportional to 199,441,555.92, 273,233,657.21 and 191,983,368.94
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Solution
The fourth proportional to 199,441,555.92, 273,233,657.21 and 191,983,368.94 is: 263,015,988.70
Step by Step Solution
- Step 1: Write the proportion equation
199,441,555.92 : 273,233,657.21 = 191,983,368.94 : x - Step 2: Convert to fraction form
199,441,555.92/273,233,657.21 = 191,983,368.94/x - Step 3: Cross multiply
199,441,555.92x = 273,233,657.21 × 191,983,368.94 - Step 4: Simplify right side
199,441,555.92x = 52,456,318,017,329,920 - Step 5: Solve for x
x = 52,456,318,017,329,920/199,441,555.92 - Step 6: Final answer
x = 263,015,988.70
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.