Finding the Fourth Proportional to 168,212,814.16, 252,317,537.52 and 53,197,376.08
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Solution
The fourth proportional to 168,212,814.16, 252,317,537.52 and 53,197,376.08 is: 79,795,531.64
Step by Step Solution
- Step 1: Write the proportion equation
168,212,814.16 : 252,317,537.52 = 53,197,376.08 : x - Step 2: Convert to fraction form
168,212,814.16/252,317,537.52 = 53,197,376.08/x - Step 3: Cross multiply
168,212,814.16x = 252,317,537.52 × 53,197,376.08 - Step 4: Simplify right side
168,212,814.16x = 13,422,630,935,030,950 - Step 5: Solve for x
x = 13,422,630,935,030,950/168,212,814.16 - Step 6: Final answer
x = 79,795,531.64
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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.