Finding the Fourth Proportional to 133,059,857.80, 199,589,786.70 and 97,228,049.80
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Solution
The fourth proportional to 133,059,857.80, 199,589,786.70 and 97,228,049.80 is: 145,842,074.70
Step by Step Solution
- Step 1: Write the proportion equation
133,059,857.80 : 199,589,786.70 = 97,228,049.80 : x - Step 2: Convert to fraction form
133,059,857.80/199,589,786.70 = 97,228,049.80/x - Step 3: Cross multiply
133,059,857.80x = 199,589,786.70 × 97,228,049.80 - Step 4: Simplify right side
133,059,857.80x = 19,405,725,720,838,976 - Step 5: Solve for x
x = 19,405,725,720,838,976/133,059,857.80 - Step 6: Final answer
x = 145,842,074.70
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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.