Finding the Fourth Proportional to 127,116,016.05, 190,674,024.08 and 98,418,202.05
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Solution
The fourth proportional to 127,116,016.05, 190,674,024.08 and 98,418,202.05 is: 147,627,303.08
Step by Step Solution
- Step 1: Write the proportion equation
127,116,016.05 : 190,674,024.08 = 98,418,202.05 : x - Step 2: Convert to fraction form
127,116,016.05/190,674,024.08 = 98,418,202.05/x - Step 3: Cross multiply
127,116,016.05x = 190,674,024.08 × 98,418,202.05 - Step 4: Simplify right side
127,116,016.05x = 18,765,794,627,099,912 - Step 5: Solve for x
x = 18,765,794,627,099,912/127,116,016.05 - Step 6: Final answer
x = 147,627,303.08
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1.5x scale
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.