Finding the Fourth Proportional to 116,412,888.09, 160,649,944.91 and 63,489,723.61
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Solution
The fourth proportional to 116,412,888.09, 160,649,944.91 and 63,489,723.61 is: 87,615,905.49
Step by Step Solution
- Step 1: Write the proportion equation
116,412,888.09 : 160,649,944.91 = 63,489,723.61 : x - Step 2: Convert to fraction form
116,412,888.09/160,649,944.91 = 63,489,723.61/x - Step 3: Cross multiply
116,412,888.09x = 160,649,944.91 × 63,489,723.61 - Step 4: Simplify right side
116,412,888.09x = 10,199,620,600,297,626 - Step 5: Solve for x
x = 10,199,620,600,297,626/116,412,888.09 - Step 6: Final answer
x = 87,615,905.49
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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.