Finding the Fourth Proportional to 253,354,651.08, 379,958,571.33 and 76,084,640.53
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Solution
The fourth proportional to 253,354,651.08, 379,958,571.33 and 76,084,640.53 is: 114,104,916.53
Step by Step Solution
- Step 1: Write the proportion equation
253,354,651.08 : 379,958,571.33 = 76,084,640.53 : x - Step 2: Convert to fraction form
253,354,651.08/379,958,571.33 = 76,084,640.53/x - Step 3: Cross multiply
253,354,651.08x = 379,958,571.33 × 76,084,640.53 - Step 4: Simplify right side
253,354,651.08x = 28,909,011,314,700,204 - Step 5: Solve for x
x = 28,909,011,314,700,204/253,354,651.08 - Step 6: Final answer
x = 114,104,916.53
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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.