Finding the Fourth Proportional to 132,650,789.10, 183,058,468.11 and 76,907,042.70
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Solution
The fourth proportional to 132,650,789.10, 183,058,468.11 and 76,907,042.70 is: 106,131,938.75
Step by Step Solution
- Step 1: Write the proportion equation
132,650,789.10 : 183,058,468.11 = 76,907,042.70 : x - Step 2: Convert to fraction form
132,650,789.10/183,058,468.11 = 76,907,042.70/x - Step 3: Cross multiply
132,650,789.10x = 183,058,468.11 × 76,907,042.70 - Step 4: Simplify right side
132,650,789.10x = 14,078,485,423,532,360 - Step 5: Solve for x
x = 14,078,485,423,532,360/132,650,789.10 - Step 6: Final answer
x = 106,131,938.75
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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.