Finding the Fourth Proportional to 109,588,324.18, 151,226,513.20 and 60,028,917.70
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Solution
The fourth proportional to 109,588,324.18, 151,226,513.20 and 60,028,917.70 is: 82,836,962.63
Step by Step Solution
- Step 1: Write the proportion equation
109,588,324.18 : 151,226,513.20 = 60,028,917.70 : x - Step 2: Convert to fraction form
109,588,324.18/151,226,513.20 = 60,028,917.70/x - Step 3: Cross multiply
109,588,324.18x = 151,226,513.20 × 60,028,917.70 - Step 4: Simplify right side
109,588,324.18x = 9,077,963,914,940,764 - Step 5: Solve for x
x = 9,077,963,914,940,764/109,588,324.18 - Step 6: Final answer
x = 82,836,962.63
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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.