Finding the Fourth Proportional to 156,119,940.09, 215,445,770.18 and 85,544,336.56
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Solution
The fourth proportional to 156,119,940.09, 215,445,770.18 and 85,544,336.56 is: 118,051,322.99
Step by Step Solution
- Step 1: Write the proportion equation
156,119,940.09 : 215,445,770.18 = 85,544,336.56 : x - Step 2: Convert to fraction form
156,119,940.09/215,445,770.18 = 85,544,336.56/x - Step 3: Cross multiply
156,119,940.09x = 215,445,770.18 × 85,544,336.56 - Step 4: Simplify right side
156,119,940.09x = 18,430,165,473,201,384 - Step 5: Solve for x
x = 18,430,165,473,201,384/156,119,940.09 - Step 6: Final answer
x = 118,051,322.99
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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.