Finding the Fourth Proportional to 94,689,204.96, 130,761,347.68 and 89,530,608.98
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Solution
The fourth proportional to 94,689,204.96, 130,761,347.68 and 89,530,608.98 is: 123,637,568.76
Step by Step Solution
- Step 1: Write the proportion equation
94,689,204.96 : 130,761,347.68 = 89,530,608.98 : x - Step 2: Convert to fraction form
94,689,204.96/130,761,347.68 = 89,530,608.98/x - Step 3: Cross multiply
94,689,204.96x = 130,761,347.68 × 89,530,608.98 - Step 4: Simplify right side
94,689,204.96x = 11,707,143,088,835,912 - Step 5: Solve for x
x = 11,707,143,088,835,912/94,689,204.96 - Step 6: Final answer
x = 123,637,568.76
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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.