Finding the Fourth Proportional to 237,740,391.68, 327,942,740.48 and 149,494,726.40
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Solution
The fourth proportional to 237,740,391.68, 327,942,740.48 and 149,494,726.40 is: 206,215,317.12
Step by Step Solution
- Step 1: Write the proportion equation
237,740,391.68 : 327,942,740.48 = 149,494,726.40 : x - Step 2: Convert to fraction form
237,740,391.68/327,942,740.48 = 149,494,726.40/x - Step 3: Cross multiply
237,740,391.68x = 327,942,740.48 × 149,494,726.40 - Step 4: Simplify right side
237,740,391.68x = 49,025,710,262,923,808 - Step 5: Solve for x
x = 49,025,710,262,923,808/237,740,391.68 - Step 6: Final answer
x = 206,215,317.12
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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.