Finding the Fourth Proportional to 97,188,451, 134,122,861.74 and 53,731,186.36
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Solution
The fourth proportional to 97,188,451, 134,122,861.74 and 53,731,186.36 is: 74,150,584.82
Step by Step Solution
- Step 1: Write the proportion equation
97,188,451 : 134,122,861.74 = 53,731,186.36 : x - Step 2: Convert to fraction form
97,188,451/134,122,861.74 = 53,731,186.36/x - Step 3: Cross multiply
97,188,451x = 134,122,861.74 × 53,731,186.36 - Step 4: Simplify right side
97,188,451x = 7,206,580,479,288,453 - Step 5: Solve for x
x = 7,206,580,479,288,453/97,188,451 - Step 6: Final answer
x = 74,150,584.82
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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.