Finding the Fourth Proportional to 431,136,233.40, 646,704,350.10 and 124,438,351.80
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Solution
The fourth proportional to 431,136,233.40, 646,704,350.10 and 124,438,351.80 is: 186,657,527.70
Step by Step Solution
- Step 1: Write the proportion equation
431,136,233.40 : 646,704,350.10 = 124,438,351.80 : x - Step 2: Convert to fraction form
431,136,233.40/646,704,350.10 = 124,438,351.80/x - Step 3: Cross multiply
431,136,233.40x = 646,704,350.10 × 124,438,351.80 - Step 4: Simplify right side
431,136,233.40x = 80,474,823,428,334,160 - Step 5: Solve for x
x = 80,474,823,428,334,160/431,136,233.40 - Step 6: Final answer
x = 186,657,527.70
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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.