Finding the Fourth Proportional to 88,586,812.30, 132,880,218.45 and 48,276,028.30
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Solution
The fourth proportional to 88,586,812.30, 132,880,218.45 and 48,276,028.30 is: 72,414,042.45
Step by Step Solution
- Step 1: Write the proportion equation
88,586,812.30 : 132,880,218.45 = 48,276,028.30 : x - Step 2: Convert to fraction form
88,586,812.30/132,880,218.45 = 48,276,028.30/x - Step 3: Cross multiply
88,586,812.30x = 132,880,218.45 × 48,276,028.30 - Step 4: Simplify right side
88,586,812.30x = 6,414,929,186,402,382 - Step 5: Solve for x
x = 6,414,929,186,402,382/88,586,812.30 - Step 6: Final answer
x = 72,414,042.45
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1.5x scale
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.