Finding the Fourth Proportional to 193,436,606.16, 290,193,203.20 and 55,263,389.60
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Solution
The fourth proportional to 193,436,606.16, 290,193,203.20 and 55,263,389.60 is: 82,906,024.70
Step by Step Solution
- Step 1: Write the proportion equation
193,436,606.16 : 290,193,203.20 = 55,263,389.60 : x - Step 2: Convert to fraction form
193,436,606.16/290,193,203.20 = 55,263,389.60/x - Step 3: Cross multiply
193,436,606.16x = 290,193,203.20 × 55,263,389.60 - Step 4: Simplify right side
193,436,606.16x = 16,037,060,047,713,566 - Step 5: Solve for x
x = 16,037,060,047,713,566/193,436,606.16 - Step 6: Final answer
x = 82,906,024.70
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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.