Finding the Fourth Proportional to 311,052,032.30, 466,578,048.45 and 106,512,128.30
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Solution
The fourth proportional to 311,052,032.30, 466,578,048.45 and 106,512,128.30 is: 159,768,192.45
Step by Step Solution
- Step 1: Write the proportion equation
311,052,032.30 : 466,578,048.45 = 106,512,128.30 : x - Step 2: Convert to fraction form
311,052,032.30/466,578,048.45 = 106,512,128.30/x - Step 3: Cross multiply
311,052,032.30x = 466,578,048.45 × 106,512,128.30 - Step 4: Simplify right side
311,052,032.30x = 49,696,220,958,470,016 - Step 5: Solve for x
x = 49,696,220,958,470,016/311,052,032.30 - Step 6: Final answer
x = 159,768,192.45
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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.