Finding the Fourth Proportional to 165,949,757.99, 229,004,663.39 and 91,608,722.74
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Solution
The fourth proportional to 165,949,757.99, 229,004,663.39 and 91,608,722.74 is: 126,416,723.76
Step by Step Solution
- Step 1: Write the proportion equation
165,949,757.99 : 229,004,663.39 = 91,608,722.74 : x - Step 2: Convert to fraction form
165,949,757.99/229,004,663.39 = 91,608,722.74/x - Step 3: Cross multiply
165,949,757.99x = 229,004,663.39 × 91,608,722.74 - Step 4: Simplify right side
165,949,757.99x = 20,978,824,713,802,552 - Step 5: Solve for x
x = 20,978,824,713,802,552/165,949,757.99 - Step 6: Final answer
x = 126,416,723.76
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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.