Finding the Fourth Proportional to 118,102,511.20, 177,153,766.80 and 118,102,511.20
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Solution
The fourth proportional to 118,102,511.20, 177,153,766.80 and 118,102,511.20 is: 177,153,766.80
Step by Step Solution
- Step 1: Write the proportion equation
118,102,511.20 : 177,153,766.80 = 118,102,511.20 : x - Step 2: Convert to fraction form
118,102,511.20/177,153,766.80 = 118,102,511.20/x - Step 3: Cross multiply
118,102,511.20x = 177,153,766.80 × 118,102,511.20 - Step 4: Simplify right side
118,102,511.20x = 20,922,304,727,619,192 - Step 5: Solve for x
x = 20,922,304,727,619,192/118,102,511.20 - Step 6: Final answer
x = 177,153,766.80
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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.