Finding the Fourth Proportional to 53,085,932.92, 73,260,860.30 and 29,564,469.53
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Solution
The fourth proportional to 53,085,932.92, 73,260,860.30 and 29,564,469.53 is: 40,800,233.75
Step by Step Solution
- Step 1: Write the proportion equation
53,085,932.92 : 73,260,860.30 = 29,564,469.53 : x - Step 2: Convert to fraction form
53,085,932.92/73,260,860.30 = 29,564,469.53/x - Step 3: Cross multiply
53,085,932.92x = 73,260,860.30 × 29,564,469.53 - Step 4: Simplify right side
53,085,932.92x = 2,165,918,472,080,936.75 - Step 5: Solve for x
x = 2,165,918,472,080,936.75/53,085,932.92 - Step 6: Final answer
x = 40,800,233.75
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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.