Finding the Fourth Proportional to 205,339,612.16, 283,368,583.68 and 113,769,436.16
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Solution
The fourth proportional to 205,339,612.16, 283,368,583.68 and 113,769,436.16 is: 157,001,776.97
Step by Step Solution
- Step 1: Write the proportion equation
205,339,612.16 : 283,368,583.68 = 113,769,436.16 : x - Step 2: Convert to fraction form
205,339,612.16/283,368,583.68 = 113,769,436.16/x - Step 3: Cross multiply
205,339,612.16x = 283,368,583.68 × 113,769,436.16 - Step 4: Simplify right side
205,339,612.16x = 32,238,683,990,731,376 - Step 5: Solve for x
x = 32,238,683,990,731,376/205,339,612.16 - Step 6: Final answer
x = 157,001,776.97
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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.