Finding the Fourth Proportional to 248,924,668.05, 343,507,037.83 and 137,413,115.21
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Solution
The fourth proportional to 248,924,668.05, 343,507,037.83 and 137,413,115.21 is: 189,625,128.50
Step by Step Solution
- Step 1: Write the proportion equation
248,924,668.05 : 343,507,037.83 = 137,413,115.21 : x - Step 2: Convert to fraction form
248,924,668.05/343,507,037.83 = 137,413,115.21/x - Step 3: Cross multiply
248,924,668.05x = 343,507,037.83 × 137,413,115.21 - Step 4: Simplify right side
248,924,668.05x = 47,202,372,165,294,856 - Step 5: Solve for x
x = 47,202,372,165,294,856/248,924,668.05 - Step 6: Final answer
x = 189,625,128.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.