Finding the Fourth Proportional to 100,204,423.44, 138,279,757.68 and 58,953,968.16
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Solution
The fourth proportional to 100,204,423.44, 138,279,757.68 and 58,953,968.16 is: 81,355,095.43
Step by Step Solution
- Step 1: Write the proportion equation
100,204,423.44 : 138,279,757.68 = 58,953,968.16 : x - Step 2: Convert to fraction form
100,204,423.44/138,279,757.68 = 58,953,968.16/x - Step 3: Cross multiply
100,204,423.44x = 138,279,757.68 × 58,953,968.16 - Step 4: Simplify right side
100,204,423.44x = 8,152,140,431,439,235 - Step 5: Solve for x
x = 8,152,140,431,439,235/100,204,423.44 - Step 6: Final answer
x = 81,355,095.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.