Finding the Fourth Proportional to 62,769,582.84, 86,629,281.66 and 36,670,624.68
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Solution
The fourth proportional to 62,769,582.84, 86,629,281.66 and 36,670,624.68 is: 50,609,701.87
Step by Step Solution
- Step 1: Write the proportion equation
62,769,582.84 : 86,629,281.66 = 36,670,624.68 : x - Step 2: Convert to fraction form
62,769,582.84/86,629,281.66 = 36,670,624.68/x - Step 3: Cross multiply
62,769,582.84x = 86,629,281.66 × 36,670,624.68 - Step 4: Simplify right side
62,769,582.84x = 3,176,749,874,051,867 - Step 5: Solve for x
x = 3,176,749,874,051,867/62,769,582.84 - Step 6: Final answer
x = 50,609,701.87
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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.