Finding the Fourth Proportional to 102,968,230.80, 154,449,984.60 and 51,836,518.80
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Solution
The fourth proportional to 102,968,230.80, 154,449,984.60 and 51,836,518.80 is: 77,753,589.32
Step by Step Solution
- Step 1: Write the proportion equation
102,968,230.80 : 154,449,984.60 = 51,836,518.80 : x - Step 2: Convert to fraction form
102,968,230.80/154,449,984.60 = 51,836,518.80/x - Step 3: Cross multiply
102,968,230.80x = 154,449,984.60 × 51,836,518.80 - Step 4: Simplify right side
102,968,230.80x = 8,006,149,530,377,610 - Step 5: Solve for x
x = 8,006,149,530,377,610/102,968,230.80 - Step 6: Final answer
x = 77,753,589.32
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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.