Finding the Fourth Proportional to 236,202,487.80, 354,303,731.70 and 74,644,423.80
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Solution
The fourth proportional to 236,202,487.80, 354,303,731.70 and 74,644,423.80 is: 111,966,635.70
Step by Step Solution
- Step 1: Write the proportion equation
236,202,487.80 : 354,303,731.70 = 74,644,423.80 : x - Step 2: Convert to fraction form
236,202,487.80/354,303,731.70 = 74,644,423.80/x - Step 3: Cross multiply
236,202,487.80x = 354,303,731.70 × 74,644,423.80 - Step 4: Simplify right side
236,202,487.80x = 26,446,797,902,936,292 - Step 5: Solve for x
x = 26,446,797,902,936,292/236,202,487.80 - Step 6: Final answer
x = 111,966,635.70
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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.