Finding the Fourth Proportional to 169,351,421.68, 233,787,075.89 and 113,576,439.62
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Solution
The fourth proportional to 169,351,421.68, 233,787,075.89 and 113,576,439.62 is: 156,790,556.85
Step by Step Solution
- Step 1: Write the proportion equation
169,351,421.68 : 233,787,075.89 = 113,576,439.62 : x - Step 2: Convert to fraction form
169,351,421.68/233,787,075.89 = 113,576,439.62/x - Step 3: Cross multiply
169,351,421.68x = 233,787,075.89 × 113,576,439.62 - Step 4: Simplify right side
169,351,421.68x = 26,552,703,708,189,060 - Step 5: Solve for x
x = 26,552,703,708,189,060/169,351,421.68 - Step 6: Final answer
x = 156,790,556.85
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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.