Finding the Fourth Proportional to 117,524,129.40, 176,286,194.10 and 71,539,975.80
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Solution
The fourth proportional to 117,524,129.40, 176,286,194.10 and 71,539,975.80 is: 107,309,963.70
Step by Step Solution
- Step 1: Write the proportion equation
117,524,129.40 : 176,286,194.10 = 71,539,975.80 : x - Step 2: Convert to fraction form
117,524,129.40/176,286,194.10 = 71,539,975.80/x - Step 3: Cross multiply
117,524,129.40x = 176,286,194.10 × 71,539,975.80 - Step 4: Simplify right side
117,524,129.40x = 12,611,510,059,788,102 - Step 5: Solve for x
x = 12,611,510,059,788,102/117,524,129.40 - Step 6: Final answer
x = 107,309,963.70
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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.