Finding the Fourth Proportional to 181,004,139.12, 249,910,680.60 and 169,439,982.96
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Solution
The fourth proportional to 181,004,139.12, 249,910,680.60 and 169,439,982.96 is: 233,944,160.99
Step by Step Solution
- Step 1: Write the proportion equation
181,004,139.12 : 249,910,680.60 = 169,439,982.96 : x - Step 2: Convert to fraction form
181,004,139.12/249,910,680.60 = 169,439,982.96/x - Step 3: Cross multiply
181,004,139.12x = 249,910,680.60 × 169,439,982.96 - Step 4: Simplify right side
181,004,139.12x = 42,344,861,462,386,000 - Step 5: Solve for x
x = 42,344,861,462,386,000/181,004,139.12 - Step 6: Final answer
x = 233,944,160.99
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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.