Finding the Fourth Proportional to 207,221,624.84, 285,964,361.70 and 113,135,768.84
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Solution
The fourth proportional to 207,221,624.84, 285,964,361.70 and 113,135,768.84 is: 156,126,552.65
Step by Step Solution
- Step 1: Write the proportion equation
207,221,624.84 : 285,964,361.70 = 113,135,768.84 : x - Step 2: Convert to fraction form
207,221,624.84/285,964,361.70 = 113,135,768.84/x - Step 3: Cross multiply
207,221,624.84x = 285,964,361.70 × 113,135,768.84 - Step 4: Simplify right side
207,221,624.84x = 32,352,797,921,769,348 - Step 5: Solve for x
x = 32,352,797,921,769,348/207,221,624.84 - Step 6: Final answer
x = 156,126,552.65
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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.