Finding the Fourth Proportional to 51,415,163.08, 70,952,917.32 and 29,389,135.44
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Solution
The fourth proportional to 51,415,163.08, 70,952,917.32 and 29,389,135.44 is: 40,557,002.49
Step by Step Solution
- Step 1: Write the proportion equation
51,415,163.08 : 70,952,917.32 = 29,389,135.44 : x - Step 2: Convert to fraction form
51,415,163.08/70,952,917.32 = 29,389,135.44/x - Step 3: Cross multiply
51,415,163.08x = 70,952,917.32 × 29,389,135.44 - Step 4: Simplify right side
51,415,163.08x = 2,085,244,896,980,601.75 - Step 5: Solve for x
x = 2,085,244,896,980,601.75/51,415,163.08 - Step 6: Final answer
x = 40,557,002.49
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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.