Finding the Fourth Proportional to 178,476,925.59, 267,727,687.20 and 74,741,684.49
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Solution
The fourth proportional to 178,476,925.59, 267,727,687.20 and 74,741,684.49 is: 112,117,677.17
Step by Step Solution
- Step 1: Write the proportion equation
178,476,925.59 : 267,727,687.20 = 74,741,684.49 : x - Step 2: Convert to fraction form
178,476,925.59/267,727,687.20 = 74,741,684.49/x - Step 3: Cross multiply
178,476,925.59x = 267,727,687.20 × 74,741,684.49 - Step 4: Simplify right side
178,476,925.59x = 20,010,418,325,939,808 - Step 5: Solve for x
x = 20,010,418,325,939,808/178,476,925.59 - Step 6: Final answer
x = 112,117,677.17
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.