Finding the Fourth Proportional to 163,154,235.21, 244,567,716.54 and 75,777,115.03
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Solution
The fourth proportional to 163,154,235.21, 244,567,716.54 and 75,777,115.03 is: 113,589,671.55
Step by Step Solution
- Step 1: Write the proportion equation
163,154,235.21 : 244,567,716.54 = 75,777,115.03 : x - Step 2: Convert to fraction form
163,154,235.21/244,567,716.54 = 75,777,115.03/x - Step 3: Cross multiply
163,154,235.21x = 244,567,716.54 × 75,777,115.03 - Step 4: Simplify right side
163,154,235.21x = 18,532,635,989,782,748 - Step 5: Solve for x
x = 18,532,635,989,782,748/163,154,235.21 - Step 6: Final answer
x = 113,589,671.55
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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.