Finding the Fourth Proportional to 76,740,193.32, 115,114,276.41 and 38,388,753.57
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Solution
The fourth proportional to 76,740,193.32, 115,114,276.41 and 38,388,753.57 is: 57,585,124.54
Step by Step Solution
- Step 1: Write the proportion equation
76,740,193.32 : 115,114,276.41 = 38,388,753.57 : x - Step 2: Convert to fraction form
76,740,193.32/115,114,276.41 = 38,388,753.57/x - Step 3: Cross multiply
76,740,193.32x = 115,114,276.41 × 38,388,753.57 - Step 4: Simplify right side
76,740,193.32x = 4,419,093,589,492,354 - Step 5: Solve for x
x = 4,419,093,589,492,354/76,740,193.32 - Step 6: Final answer
x = 57,585,124.54
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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.