Finding the Fourth Proportional to 237,012,790.26, 355,196,384.18 and 133,431,396.42
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Solution
The fourth proportional to 237,012,790.26, 355,196,384.18 and 133,431,396.42 is: 199,965,366.82
Step by Step Solution
- Step 1: Write the proportion equation
237,012,790.26 : 355,196,384.18 = 133,431,396.42 : x - Step 2: Convert to fraction form
237,012,790.26/355,196,384.18 = 133,431,396.42/x - Step 3: Cross multiply
237,012,790.26x = 355,196,384.18 × 133,431,396.42 - Step 4: Simplify right side
237,012,790.26x = 47,394,349,544,472,200 - Step 5: Solve for x
x = 47,394,349,544,472,200/237,012,790.26 - Step 6: Final answer
x = 199,965,366.82
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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.