Finding the Fourth Proportional to 145,675,296.10, 218,512,944.15 and 99,758,793.70
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Solution
The fourth proportional to 145,675,296.10, 218,512,944.15 and 99,758,793.70 is: 149,638,190.55
Step by Step Solution
- Step 1: Write the proportion equation
145,675,296.10 : 218,512,944.15 = 99,758,793.70 : x - Step 2: Convert to fraction form
145,675,296.10/218,512,944.15 = 99,758,793.70/x - Step 3: Cross multiply
145,675,296.10x = 218,512,944.15 × 99,758,793.70 - Step 4: Simplify right side
145,675,296.10x = 21,798,587,716,239,472 - Step 5: Solve for x
x = 21,798,587,716,239,472/145,675,296.10 - Step 6: Final answer
x = 149,638,190.55
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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.