Finding the Fourth Proportional to 99,264,302.60, 148,896,453.90 and 73,755,134.60
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Solution
The fourth proportional to 99,264,302.60, 148,896,453.90 and 73,755,134.60 is: 110,632,701.90
Step by Step Solution
- Step 1: Write the proportion equation
99,264,302.60 : 148,896,453.90 = 73,755,134.60 : x - Step 2: Convert to fraction form
99,264,302.60/148,896,453.90 = 73,755,134.60/x - Step 3: Cross multiply
99,264,302.60x = 148,896,453.90 × 73,755,134.60 - Step 4: Simplify right side
99,264,302.60x = 10,981,877,998,857,194 - Step 5: Solve for x
x = 10,981,877,998,857,194/99,264,302.60 - Step 6: Final answer
x = 110,632,701.90
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.