Finding the Fourth Proportional to 88,586,812.80, 132,880,219.20 and 48,276,028.80
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Solution
The fourth proportional to 88,586,812.80, 132,880,219.20 and 48,276,028.80 is: 72,414,043.20
Step by Step Solution
- Step 1: Write the proportion equation
88,586,812.80 : 132,880,219.20 = 48,276,028.80 : x - Step 2: Convert to fraction form
88,586,812.80/132,880,219.20 = 48,276,028.80/x - Step 3: Cross multiply
88,586,812.80x = 132,880,219.20 × 48,276,028.80 - Step 4: Simplify right side
88,586,812.80x = 6,414,929,289,049,513 - Step 5: Solve for x
x = 6,414,929,289,049,513/88,586,812.80 - Step 6: Final answer
x = 72,414,043.20
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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.