Finding the Fourth Proportional to 207,683,677.08, 311,526,043.30 and 84,861,994.75
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Solution
The fourth proportional to 207,683,677.08, 311,526,043.30 and 84,861,994.75 is: 127,293,207.74
Step by Step Solution
- Step 1: Write the proportion equation
207,683,677.08 : 311,526,043.30 = 84,861,994.75 : x - Step 2: Convert to fraction form
207,683,677.08/311,526,043.30 = 84,861,994.75/x - Step 3: Cross multiply
207,683,677.08x = 311,526,043.30 × 84,861,994.75 - Step 4: Simplify right side
207,683,677.08x = 26,436,721,450,340,136 - Step 5: Solve for x
x = 26,436,721,450,340,136/207,683,677.08 - Step 6: Final answer
x = 127,293,207.74
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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.