Finding the Fourth Proportional to 180,868,576.75, 271,193,634.21 and 81,139,957.21
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Solution
The fourth proportional to 180,868,576.75, 271,193,634.21 and 81,139,957.21 is: 121,660,933.43
Step by Step Solution
- Step 1: Write the proportion equation
180,868,576.75 : 271,193,634.21 = 81,139,957.21 : x - Step 2: Convert to fraction form
180,868,576.75/271,193,634.21 = 81,139,957.21/x - Step 3: Cross multiply
180,868,576.75x = 271,193,634.21 × 81,139,957.21 - Step 4: Simplify right side
180,868,576.75x = 22,004,639,875,423,788 - Step 5: Solve for x
x = 22,004,639,875,423,788/180,868,576.75 - Step 6: Final answer
x = 121,660,933.43
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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.