Finding the Fourth Proportional to 122,760,544,271.91, 169,407,748,177.86 and 68,567,883,776.82
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Solution
The fourth proportional to 122,760,544,271.91, 169,407,748,177.86 and 68,567,883,776.82 is: 94,622,672,592.78
Step by Step Solution
- Step 1: Write the proportion equation
122,760,544,271.91 : 169,407,748,177.86 = 68,567,883,776.82 : x - Step 2: Convert to fraction form
122,760,544,271.91/169,407,748,177.86 = 68,567,883,776.82/x - Step 3: Cross multiply
122,760,544,271.91x = 169,407,748,177.86 × 68,567,883,776.82 - Step 4: Simplify right side
122,760,544,271.91x = 11,615,930,787,952,293,052,416 - Step 5: Solve for x
x = 11,615,930,787,952,293,052,416/122,760,544,271.91 - Step 6: Final answer
x = 94,622,672,592.78
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1.5x scale
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.