Finding the Fourth Proportional to 202,945,152.80, 279,991,107.06 and 114,838,212.80
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Solution
The fourth proportional to 202,945,152.80, 279,991,107.06 and 114,838,212.80 is: 158,435,310.68
Step by Step Solution
- Step 1: Write the proportion equation
202,945,152.80 : 279,991,107.06 = 114,838,212.80 : x - Step 2: Convert to fraction form
202,945,152.80/279,991,107.06 = 114,838,212.80/x - Step 3: Cross multiply
202,945,152.80x = 279,991,107.06 × 114,838,212.80 - Step 4: Simplify right side
202,945,152.80x = 32,153,678,334,663,860 - Step 5: Solve for x
x = 32,153,678,334,663,860/202,945,152.80 - Step 6: Final answer
x = 158,435,310.68
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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.