Finding the Fourth Proportional to 125,301,107.45, 188,136,163.08 and 70,077,138.66
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Solution
The fourth proportional to 125,301,107.45, 188,136,163.08 and 70,077,138.66 is: 105,218,894.35
Step by Step Solution
- Step 1: Write the proportion equation
125,301,107.45 : 188,136,163.08 = 70,077,138.66 : x - Step 2: Convert to fraction form
125,301,107.45/188,136,163.08 = 70,077,138.66/x - Step 3: Cross multiply
125,301,107.45x = 188,136,163.08 × 70,077,138.66 - Step 4: Simplify right side
125,301,107.45x = 13,184,043,987,117,532 - Step 5: Solve for x
x = 13,184,043,987,117,532/125,301,107.45 - Step 6: Final answer
x = 105,218,894.35
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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.