Finding the Fourth Proportional to 170,014,946.05, 255,021,578.45 and 66,394,674.19
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Solution
The fourth proportional to 170,014,946.05, 255,021,578.45 and 66,394,674.19 is: 99,591,682.99
Step by Step Solution
- Step 1: Write the proportion equation
170,014,946.05 : 255,021,578.45 = 66,394,674.19 : x - Step 2: Convert to fraction form
170,014,946.05/255,021,578.45 = 66,394,674.19/x - Step 3: Cross multiply
170,014,946.05x = 255,021,578.45 × 66,394,674.19 - Step 4: Simplify right side
170,014,946.05x = 16,932,074,611,408,562 - Step 5: Solve for x
x = 16,932,074,611,408,562/170,014,946.05 - Step 6: Final answer
x = 99,591,682.99
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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.