Finding the Fourth Proportional to 127,119,313.84, 190,680,742.29 and 36,242,902.84
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Solution
The fourth proportional to 127,119,313.84, 190,680,742.29 and 36,242,902.84 is: 54,364,859.33
Step by Step Solution
- Step 1: Write the proportion equation
127,119,313.84 : 190,680,742.29 = 36,242,902.84 : x - Step 2: Convert to fraction form
127,119,313.84/190,680,742.29 = 36,242,902.84/x - Step 3: Cross multiply
127,119,313.84x = 190,680,742.29 × 36,242,902.84 - Step 4: Simplify right side
127,119,313.84x = 6,910,823,615,322,145 - Step 5: Solve for x
x = 6,910,823,615,322,145/127,119,313.84 - Step 6: Final answer
x = 54,364,859.33
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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.