Finding the Fourth Proportional to 97,542,518.42, 134,612,556.55 and 53,491,097.12
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Solution
The fourth proportional to 97,542,518.42, 134,612,556.55 and 53,491,097.12 is: 73,819,842.38
Step by Step Solution
- Step 1: Write the proportion equation
97,542,518.42 : 134,612,556.55 = 53,491,097.12 : x - Step 2: Convert to fraction form
97,542,518.42/134,612,556.55 = 53,491,097.12/x - Step 3: Cross multiply
97,542,518.42x = 134,612,556.55 × 53,491,097.12 - Step 4: Simplify right side
97,542,518.42x = 7,200,573,335,180,753 - Step 5: Solve for x
x = 7,200,573,335,180,753/97,542,518.42 - Step 6: Final answer
x = 73,819,842.38
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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.