Finding the Fourth Proportional to 55,617,824.27, 76,760,539.99 and 30,843,521.08
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Solution
The fourth proportional to 55,617,824.27, 76,760,539.99 and 30,843,521.08 is: 42,568,463.69
Step by Step Solution
- Step 1: Write the proportion equation
55,617,824.27 : 76,760,539.99 = 30,843,521.08 : x - Step 2: Convert to fraction form
55,617,824.27/76,760,539.99 = 30,843,521.08/x - Step 3: Cross multiply
55,617,824.27x = 76,760,539.99 × 30,843,521.08 - Step 4: Simplify right side
55,617,824.27x = 2,367,565,333,024,738 - Step 5: Solve for x
x = 2,367,565,333,024,738/55,617,824.27 - Step 6: Final answer
x = 42,568,463.69
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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.