Finding the Fourth Proportional to 79,121,204.20, 118,681,806.30 and 48,510,202.60
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Solution
The fourth proportional to 79,121,204.20, 118,681,806.30 and 48,510,202.60 is: 72,765,303.90
Step by Step Solution
- Step 1: Write the proportion equation
79,121,204.20 : 118,681,806.30 = 48,510,202.60 : x - Step 2: Convert to fraction form
79,121,204.20/118,681,806.30 = 48,510,202.60/x - Step 3: Cross multiply
79,121,204.20x = 118,681,806.30 × 48,510,202.60 - Step 4: Simplify right side
79,121,204.20x = 5,757,278,468,546,956 - Step 5: Solve for x
x = 5,757,278,468,546,956/79,121,204.20 - Step 6: Final answer
x = 72,765,303.90
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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.