Finding the Fourth Proportional to 122,760,544,277.91, 169,407,748,186.14 and 68,567,883,782.81
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Solution
The fourth proportional to 122,760,544,277.91, 169,407,748,186.14 and 68,567,883,782.81 is: 94,622,672,601.05
Step by Step Solution
- Step 1: Write the proportion equation
122,760,544,277.91 : 169,407,748,186.14 = 68,567,883,782.81 : x - Step 2: Convert to fraction form
122,760,544,277.91/169,407,748,186.14 = 68,567,883,782.81/x - Step 3: Cross multiply
122,760,544,277.91x = 169,407,748,186.14 × 68,567,883,782.81 - Step 4: Simplify right side
122,760,544,277.91x = 11,615,930,789,535,129,010,176 - Step 5: Solve for x
x = 11,615,930,789,535,129,010,176/122,760,544,277.91 - Step 6: Final answer
x = 94,622,672,601.05
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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.