Finding the Fourth Proportional to 363,350,374.20, 545,025,561.30 and 169,640,129.70
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Solution
The fourth proportional to 363,350,374.20, 545,025,561.30 and 169,640,129.70 is: 254,460,194.55
Step by Step Solution
- Step 1: Write the proportion equation
363,350,374.20 : 545,025,561.30 = 169,640,129.70 : x - Step 2: Convert to fraction form
363,350,374.20/545,025,561.30 = 169,640,129.70/x - Step 3: Cross multiply
363,350,374.20x = 545,025,561.30 × 169,640,129.70 - Step 4: Simplify right side
363,350,374.20x = 92,458,206,908,747,280 - Step 5: Solve for x
x = 92,458,206,908,747,280/363,350,374.20 - Step 6: Final answer
x = 254,460,194.55
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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.