Finding the Fourth Proportional to 158,091,659.75, 218,189,403.06 and 91,097,584.13
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Solution
The fourth proportional to 158,091,659.75, 218,189,403.06 and 91,097,584.13 is: 125,727,869.09
Step by Step Solution
- Step 1: Write the proportion equation
158,091,659.75 : 218,189,403.06 = 91,097,584.13 : x - Step 2: Convert to fraction form
158,091,659.75/218,189,403.06 = 91,097,584.13/x - Step 3: Cross multiply
158,091,659.75x = 218,189,403.06 × 91,097,584.13 - Step 4: Simplify right side
158,091,659.75x = 19,876,527,501,532,828 - Step 5: Solve for x
x = 19,876,527,501,532,828/158,091,659.75 - Step 6: Final answer
x = 125,727,869.09
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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.