Finding the Fourth Proportional to 51,131,550.44, 70,563,833.37 and 27,926,868.08
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Solution
The fourth proportional to 51,131,550.44, 70,563,833.37 and 27,926,868.08 is: 38,540,330.75
Step by Step Solution
- Step 1: Write the proportion equation
51,131,550.44 : 70,563,833.37 = 27,926,868.08 : x - Step 2: Convert to fraction form
51,131,550.44/70,563,833.37 = 27,926,868.08/x - Step 3: Cross multiply
51,131,550.44x = 70,563,833.37 × 27,926,868.08 - Step 4: Simplify right side
51,131,550.44x = 1,970,626,865,919,501.50 - Step 5: Solve for x
x = 1,970,626,865,919,501.50/51,131,550.44 - Step 6: Final answer
x = 38,540,330.75
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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.