Finding the Fourth Proportional to 209,952,184.05, 314,928,276.08 and 132,857,809.65
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Solution
The fourth proportional to 209,952,184.05, 314,928,276.08 and 132,857,809.65 is: 199,286,714.48
Step by Step Solution
- Step 1: Write the proportion equation
209,952,184.05 : 314,928,276.08 = 132,857,809.65 : x - Step 2: Convert to fraction form
209,952,184.05/314,928,276.08 = 132,857,809.65/x - Step 3: Cross multiply
209,952,184.05x = 314,928,276.08 × 132,857,809.65 - Step 4: Simplify right side
209,952,184.05x = 41,840,680,956,175,000 - Step 5: Solve for x
x = 41,840,680,956,175,000/209,952,184.05 - Step 6: Final answer
x = 199,286,714.48
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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.