Finding the Fourth Proportional to 262,208,269.08, 361,847,446.75 and 144,733,621.49
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Solution
The fourth proportional to 262,208,269.08, 361,847,446.75 and 144,733,621.49 is: 199,732,417.21
Step by Step Solution
- Step 1: Write the proportion equation
262,208,269.08 : 361,847,446.75 = 144,733,621.49 : x - Step 2: Convert to fraction form
262,208,269.08/361,847,446.75 = 144,733,621.49/x - Step 3: Cross multiply
262,208,269.08x = 361,847,446.75 × 144,733,621.49 - Step 4: Simplify right side
262,208,269.08x = 52,371,491,395,037,432 - Step 5: Solve for x
x = 52,371,491,395,037,432/262,208,269.08 - Step 6: Final answer
x = 199,732,417.21
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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.