Finding the Fourth Proportional to 230,975,300.25, 318,667,444.79 and 131,784,790.05
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Solution
The fourth proportional to 230,975,300.25, 318,667,444.79 and 131,784,790.05 is: 181,818,238.84
Step by Step Solution
- Step 1: Write the proportion equation
230,975,300.25 : 318,667,444.79 = 131,784,790.05 : x - Step 2: Convert to fraction form
230,975,300.25/318,667,444.79 = 131,784,790.05/x - Step 3: Cross multiply
230,975,300.25x = 318,667,444.79 × 131,784,790.05 - Step 4: Simplify right side
230,975,300.25x = 41,995,522,306,761,192 - Step 5: Solve for x
x = 41,995,522,306,761,192/230,975,300.25 - Step 6: Final answer
x = 181,818,238.84
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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.