Finding the Fourth Proportional to 118,036,270.44, 162,901,764.09 and 88,215,125.76
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Solution
The fourth proportional to 118,036,270.44, 162,901,764.09 and 88,215,125.76 is: 121,745,625.75
Step by Step Solution
- Step 1: Write the proportion equation
118,036,270.44 : 162,901,764.09 = 88,215,125.76 : x - Step 2: Convert to fraction form
118,036,270.44/162,901,764.09 = 88,215,125.76/x - Step 3: Cross multiply
118,036,270.44x = 162,901,764.09 × 88,215,125.76 - Step 4: Simplify right side
118,036,270.44x = 14,370,399,605,725,204 - Step 5: Solve for x
x = 14,370,399,605,725,204/118,036,270.44 - Step 6: Final answer
x = 121,745,625.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.