Finding the Fourth Proportional to 49,987,615.59, 68,955,148.85 and 29,077,292.79
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Solution
The fourth proportional to 49,987,615.59, 68,955,148.85 and 29,077,292.79 is: 40,110,515.95
Step by Step Solution
- Step 1: Write the proportion equation
49,987,615.59 : 68,955,148.85 = 29,077,292.79 : x - Step 2: Convert to fraction form
49,987,615.59/68,955,148.85 = 29,077,292.79/x - Step 3: Cross multiply
49,987,615.59x = 68,955,148.85 × 29,077,292.79 - Step 4: Simplify right side
49,987,615.59x = 2,005,029,052,344,095.25 - Step 5: Solve for x
x = 2,005,029,052,344,095.25/49,987,615.59 - Step 6: Final answer
x = 40,110,515.95
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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.