Finding the Fourth Proportional to 174,872,216.12, 261,174,556.21 and 158,444,678.96
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Solution
The fourth proportional to 174,872,216.12, 261,174,556.21 and 158,444,678.96 is: 236,639,756.90
Step by Step Solution
- Step 1: Write the proportion equation
174,872,216.12 : 261,174,556.21 = 158,444,678.96 : x - Step 2: Convert to fraction form
174,872,216.12/261,174,556.21 = 158,444,678.96/x - Step 3: Cross multiply
174,872,216.12x = 261,174,556.21 × 158,444,678.96 - Step 4: Simplify right side
174,872,216.12x = 41,381,718,711,213,928 - Step 5: Solve for x
x = 41,381,718,711,213,928/174,872,216.12 - Step 6: Final answer
x = 236,639,756.90
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.