Finding the Fourth Proportional to 127,120,564.12, 190,682,617.64 and 36,244,153.12
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Solution
The fourth proportional to 127,120,564.12, 190,682,617.64 and 36,244,153.12 is: 54,366,734.75
Step by Step Solution
- Step 1: Write the proportion equation
127,120,564.12 : 190,682,617.64 = 36,244,153.12 : x - Step 2: Convert to fraction form
127,120,564.12/190,682,617.64 = 36,244,153.12/x - Step 3: Cross multiply
127,120,564.12x = 190,682,617.64 × 36,244,153.12 - Step 4: Simplify right side
127,120,564.12x = 6,911,129,991,066,572 - Step 5: Solve for x
x = 6,911,129,991,066,572/127,120,564.12 - Step 6: Final answer
x = 54,366,734.75
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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.