Finding the Fourth Proportional to 243,577,358.10, 365,366,037.15 and 197,660,855.70
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Solution
The fourth proportional to 243,577,358.10, 365,366,037.15 and 197,660,855.70 is: 296,491,283.55
Step by Step Solution
- Step 1: Write the proportion equation
243,577,358.10 : 365,366,037.15 = 197,660,855.70 : x - Step 2: Convert to fraction form
243,577,358.10/365,366,037.15 = 197,660,855.70/x - Step 3: Cross multiply
243,577,358.10x = 365,366,037.15 × 197,660,855.70 - Step 4: Simplify right side
243,577,358.10x = 72,218,563,546,786,976 - Step 5: Solve for x
x = 72,218,563,546,786,976/243,577,358.10 - Step 6: Final answer
x = 296,491,283.55
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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.