Finding the Fourth Proportional to 108,203,472.88, 149,233,725.48 and 95,122,763.44
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Solution
The fourth proportional to 108,203,472.88, 149,233,725.48 and 95,122,763.44 is: 131,192,871.99
Step by Step Solution
- Step 1: Write the proportion equation
108,203,472.88 : 149,233,725.48 = 95,122,763.44 : x - Step 2: Convert to fraction form
108,203,472.88/149,233,725.48 = 95,122,763.44/x - Step 3: Cross multiply
108,203,472.88x = 149,233,725.48 × 95,122,763.44 - Step 4: Simplify right side
108,203,472.88x = 14,195,524,366,103,940 - Step 5: Solve for x
x = 14,195,524,366,103,940/108,203,472.88 - Step 6: Final answer
x = 131,192,871.99
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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.