Finding the Fourth Proportional to 362,959,201.80, 544,438,802.70 and 120,622,105.80
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Solution
The fourth proportional to 362,959,201.80, 544,438,802.70 and 120,622,105.80 is: 180,933,158.70
Step by Step Solution
- Step 1: Write the proportion equation
362,959,201.80 : 544,438,802.70 = 120,622,105.80 : x - Step 2: Convert to fraction form
362,959,201.80/544,438,802.70 = 120,622,105.80/x - Step 3: Cross multiply
362,959,201.80x = 544,438,802.70 × 120,622,105.80 - Step 4: Simplify right side
362,959,201.80x = 65,671,354,860,904,728 - Step 5: Solve for x
x = 65,671,354,860,904,728/362,959,201.80 - Step 6: Final answer
x = 180,933,158.70
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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.