Finding the Fourth Proportional to 190,784,953.80, 286,177,430.70 and 178,030,369.80
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Solution
The fourth proportional to 190,784,953.80, 286,177,430.70 and 178,030,369.80 is: 267,045,554.70
Step by Step Solution
- Step 1: Write the proportion equation
190,784,953.80 : 286,177,430.70 = 178,030,369.80 : x - Step 2: Convert to fraction form
190,784,953.80/286,177,430.70 = 178,030,369.80/x - Step 3: Cross multiply
190,784,953.80x = 286,177,430.70 × 178,030,369.80 - Step 4: Simplify right side
190,784,953.80x = 50,948,273,815,934,872 - Step 5: Solve for x
x = 50,948,273,815,934,872/190,784,953.80 - Step 6: Final answer
x = 267,045,554.70
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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.