Finding the Fourth Proportional to 143,708,195.62, 198,405,193.53 and 93,520,234.36
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Solution
The fourth proportional to 143,708,195.62, 198,405,193.53 and 93,520,234.36 is: 129,115,114.95
Step by Step Solution
- Step 1: Write the proportion equation
143,708,195.62 : 198,405,193.53 = 93,520,234.36 : x - Step 2: Convert to fraction form
143,708,195.62/198,405,193.53 = 93,520,234.36/x - Step 3: Cross multiply
143,708,195.62x = 198,405,193.53 × 93,520,234.36 - Step 4: Simplify right side
143,708,195.62x = 18,554,900,197,166,756 - Step 5: Solve for x
x = 18,554,900,197,166,756/143,708,195.62 - Step 6: Final answer
x = 129,115,114.95
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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.