Finding the Fourth Proportional to 93,773,906.64, 129,336,829.11 and 82,151,291.97
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Solution
The fourth proportional to 93,773,906.64, 129,336,829.11 and 82,151,291.97 is: 113,306,440.90
Step by Step Solution
- Step 1: Write the proportion equation
93,773,906.64 : 129,336,829.11 = 82,151,291.97 : x - Step 2: Convert to fraction form
93,773,906.64/129,336,829.11 = 82,151,291.97/x - Step 3: Cross multiply
93,773,906.64x = 129,336,829.11 × 82,151,291.97 - Step 4: Simplify right side
93,773,906.64x = 10,625,187,610,689,606 - Step 5: Solve for x
x = 10,625,187,610,689,606/93,773,906.64 - Step 6: Final answer
x = 113,306,440.90
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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.