Finding the Fourth Proportional to 208,065,751.80, 312,098,627.70 and 195,311,167.80
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Solution
The fourth proportional to 208,065,751.80, 312,098,627.70 and 195,311,167.80 is: 292,966,751.70
Step by Step Solution
- Step 1: Write the proportion equation
208,065,751.80 : 312,098,627.70 = 195,311,167.80 : x - Step 2: Convert to fraction form
208,065,751.80/312,098,627.70 = 195,311,167.80/x - Step 3: Cross multiply
208,065,751.80x = 312,098,627.70 × 195,311,167.80 - Step 4: Simplify right side
208,065,751.80x = 60,956,347,444,864,432 - Step 5: Solve for x
x = 60,956,347,444,864,432/208,065,751.80 - Step 6: Final answer
x = 292,966,751.70
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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.