Finding the Fourth Proportional to 134,885,975.76, 186,147,153.36 and 82,664,922.96
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Solution
The fourth proportional to 134,885,975.76, 186,147,153.36 and 82,664,922.96 is: 114,080,355.69
Step by Step Solution
- Step 1: Write the proportion equation
134,885,975.76 : 186,147,153.36 = 82,664,922.96 : x - Step 2: Convert to fraction form
134,885,975.76/186,147,153.36 = 82,664,922.96/x - Step 3: Cross multiply
134,885,975.76x = 186,147,153.36 × 82,664,922.96 - Step 4: Simplify right side
134,885,975.76x = 15,387,840,091,727,706 - Step 5: Solve for x
x = 15,387,840,091,727,706/134,885,975.76 - Step 6: Final answer
x = 114,080,355.69
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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.