Finding the Fourth Proportional to 168,212,679.92, 252,317,337.76 and 53,197,241.84
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Solution
The fourth proportional to 168,212,679.92, 252,317,337.76 and 53,197,241.84 is: 79,795,330.79
Step by Step Solution
- Step 1: Write the proportion equation
168,212,679.92 : 252,317,337.76 = 53,197,241.84 : x - Step 2: Convert to fraction form
168,212,679.92/252,317,337.76 = 53,197,241.84/x - Step 3: Cross multiply
168,212,679.92x = 252,317,337.76 × 53,197,241.84 - Step 4: Simplify right side
168,212,679.92x = 13,422,586,437,243,684 - Step 5: Solve for x
x = 13,422,586,437,243,684/168,212,679.92 - Step 6: Final answer
x = 79,795,330.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.