Finding the Fourth Proportional to 177,530,107.80, 245,002,425.63 and 99,219,914.49
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Solution
The fourth proportional to 177,530,107.80, 245,002,425.63 and 99,219,914.49 is: 136,929,560.97
Step by Step Solution
- Step 1: Write the proportion equation
177,530,107.80 : 245,002,425.63 = 99,219,914.49 : x - Step 2: Convert to fraction form
177,530,107.80/245,002,425.63 = 99,219,914.49/x - Step 3: Cross multiply
177,530,107.80x = 245,002,425.63 × 99,219,914.49 - Step 4: Simplify right side
177,530,107.80x = 24,309,119,720,988,720 - Step 5: Solve for x
x = 24,309,119,720,988,720/177,530,107.80 - Step 6: Final answer
x = 136,929,560.97
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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.