Finding the Fourth Proportional to 74,800,358.96, 112,269,509.96 and 37,938,120.08
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Solution
The fourth proportional to 74,800,358.96, 112,269,509.96 and 37,938,120.08 is: 56,942,161.90
Step by Step Solution
- Step 1: Write the proportion equation
74,800,358.96 : 112,269,509.96 = 37,938,120.08 : x - Step 2: Convert to fraction form
74,800,358.96/112,269,509.96 = 37,938,120.08/x - Step 3: Cross multiply
74,800,358.96x = 112,269,509.96 × 37,938,120.08 - Step 4: Simplify right side
74,800,358.96x = 4,259,294,149,434,198 - Step 5: Solve for x
x = 4,259,294,149,434,198/74,800,358.96 - Step 6: Final answer
x = 56,942,161.90
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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.