Finding the Fourth Proportional to 207,683,704.91, 311,526,085.20 and 84,862,022.74
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Solution
The fourth proportional to 207,683,704.91, 311,526,085.20 and 84,862,022.74 is: 127,293,249.80
Step by Step Solution
- Step 1: Write the proportion equation
207,683,704.91 : 311,526,085.20 = 84,862,022.74 : x - Step 2: Convert to fraction form
207,683,704.91/311,526,085.20 = 84,862,022.74/x - Step 3: Cross multiply
207,683,704.91x = 311,526,085.20 × 84,862,022.74 - Step 4: Simplify right side
207,683,704.91x = 26,436,733,727,477,792 - Step 5: Solve for x
x = 26,436,733,727,477,792/207,683,704.91 - Step 6: Final answer
x = 127,293,249.80
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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.