Finding the Fourth Proportional to 115,384,524.18, 159,224,336.39 and 63,163,458.47
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Solution
The fourth proportional to 115,384,524.18, 159,224,336.39 and 63,163,458.47 is: 87,162,120.13
Step by Step Solution
- Step 1: Write the proportion equation
115,384,524.18 : 159,224,336.39 = 63,163,458.47 : x - Step 2: Convert to fraction form
115,384,524.18/159,224,336.39 = 63,163,458.47/x - Step 3: Cross multiply
115,384,524.18x = 159,224,336.39 × 63,163,458.47 - Step 4: Simplify right side
115,384,524.18x = 10,057,159,757,871,136 - Step 5: Solve for x
x = 10,057,159,757,871,136/115,384,524.18 - Step 6: Final answer
x = 87,162,120.13
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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.