Finding the Fourth Proportional to 135,339,334.08, 186,763,255.68 and 73,458,340.80
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Solution
The fourth proportional to 135,339,334.08, 186,763,255.68 and 73,458,340.80 is: 101,369,782.69
Step by Step Solution
- Step 1: Write the proportion equation
135,339,334.08 : 186,763,255.68 = 73,458,340.80 : x - Step 2: Convert to fraction form
135,339,334.08/186,763,255.68 = 73,458,340.80/x - Step 3: Cross multiply
135,339,334.08x = 186,763,255.68 × 73,458,340.80 - Step 4: Simplify right side
135,339,334.08x = 13,719,318,884,658,976 - Step 5: Solve for x
x = 13,719,318,884,658,976/135,339,334.08 - Step 6: Final answer
x = 101,369,782.69
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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.