Finding the Fourth Proportional to 85,306,768,484.76, 117,723,733,773.84 and 47,244,177,532.08
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Solution
The fourth proportional to 85,306,768,484.76, 117,723,733,773.84 and 47,244,177,532.08 is: 65,197,182,790.30
Step by Step Solution
- Step 1: Write the proportion equation
85,306,768,484.76 : 117,723,733,773.84 = 47,244,177,532.08 : x - Step 2: Convert to fraction form
85,306,768,484.76/117,723,733,773.84 = 47,244,177,532.08/x - Step 3: Cross multiply
85,306,768,484.76x = 117,723,733,773.84 × 47,244,177,532.08 - Step 4: Simplify right side
85,306,768,484.76x = 5,561,760,978,150,619,086,848 - Step 5: Solve for x
x = 5,561,760,978,150,619,086,848/85,306,768,484.76 - Step 6: Final answer
x = 65,197,182,790.30
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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.