Finding the Fourth Proportional to 48,735,137.80, 73,102,706.70 and 48,399,214.60
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Solution
The fourth proportional to 48,735,137.80, 73,102,706.70 and 48,399,214.60 is: 72,598,821.90
Step by Step Solution
- Step 1: Write the proportion equation
48,735,137.80 : 73,102,706.70 = 48,399,214.60 : x - Step 2: Convert to fraction form
48,735,137.80/73,102,706.70 = 48,399,214.60/x - Step 3: Cross multiply
48,735,137.80x = 73,102,706.70 × 48,399,214.60 - Step 4: Simplify right side
48,735,137.80x = 3,538,113,589,414,158 - Step 5: Solve for x
x = 3,538,113,589,414,158/48,735,137.80 - Step 6: Final answer
x = 72,598,821.90
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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.