Finding the Fourth Proportional to 170,252,908.10, 255,415,228.75 and 55,228,469.06
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Solution
The fourth proportional to 170,252,908.10, 255,415,228.75 and 55,228,469.06 is: 82,854,338.38
Step by Step Solution
- Step 1: Write the proportion equation
170,252,908.10 : 255,415,228.75 = 55,228,469.06 : x - Step 2: Convert to fraction form
170,252,908.10/255,415,228.75 = 55,228,469.06/x - Step 3: Cross multiply
170,252,908.10x = 255,415,228.75 × 55,228,469.06 - Step 4: Simplify right side
170,252,908.10x = 14,106,192,058,472,198 - Step 5: Solve for x
x = 14,106,192,058,472,198/170,252,908.10 - Step 6: Final answer
x = 82,854,338.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.