Finding the Fourth Proportional to 52,204,825.74, 72,043,151.97 and 28,683,855.99
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Solution
The fourth proportional to 52,204,825.74, 72,043,151.97 and 28,683,855.99 is: 39,583,991.84
Step by Step Solution
- Step 1: Write the proportion equation
52,204,825.74 : 72,043,151.97 = 28,683,855.99 : x - Step 2: Convert to fraction form
52,204,825.74/72,043,151.97 = 28,683,855.99/x - Step 3: Cross multiply
52,204,825.74x = 72,043,151.97 × 28,683,855.99 - Step 4: Simplify right side
52,204,825.74x = 2,066,475,396,173,164.75 - Step 5: Solve for x
x = 2,066,475,396,173,164.75/52,204,825.74 - Step 6: Final answer
x = 39,583,991.84
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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.