Finding the Fourth Proportional to 115,596,766.56, 159,369,217.08 and 91,833,241.44
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Solution
The fourth proportional to 115,596,766.56, 159,369,217.08 and 91,833,241.44 is: 126,607,276.53
Step by Step Solution
- Step 1: Write the proportion equation
115,596,766.56 : 159,369,217.08 = 91,833,241.44 : x - Step 2: Convert to fraction form
115,596,766.56/159,369,217.08 = 91,833,241.44/x - Step 3: Cross multiply
115,596,766.56x = 159,369,217.08 × 91,833,241.44 - Step 4: Simplify right side
115,596,766.56x = 14,635,391,790,211,412 - Step 5: Solve for x
x = 14,635,391,790,211,412/115,596,766.56 - Step 6: Final answer
x = 126,607,276.53
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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.