Finding the Fourth Proportional to 122,355,825,899.36, 167,628,079,424.96 and 117,769,962,855
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Solution
The fourth proportional to 122,355,825,899.36, 167,628,079,424.96 and 117,769,962,855 is: 161,345,424,643.45
Step by Step Solution
- Step 1: Write the proportion equation
122,355,825,899.36 : 167,628,079,424.96 = 117,769,962,855 : x - Step 2: Convert to fraction form
122,355,825,899.36/167,628,079,424.96 = 117,769,962,855/x - Step 3: Cross multiply
122,355,825,899.36x = 167,628,079,424.96 × 117,769,962,855 - Step 4: Simplify right side
122,355,825,899.36x = 19,741,552,687,332,527,702,016 - Step 5: Solve for x
x = 19,741,552,687,332,527,702,016/122,355,825,899.36 - Step 6: Final answer
x = 161,345,424,643.45
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.