Finding the Fourth Proportional to 133,059,101.80, 199,588,652.70 and 123,105,821.80
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Solution
The fourth proportional to 133,059,101.80, 199,588,652.70 and 123,105,821.80 is: 184,658,732.70
Step by Step Solution
- Step 1: Write the proportion equation
133,059,101.80 : 199,588,652.70 = 123,105,821.80 : x - Step 2: Convert to fraction form
133,059,101.80/199,588,652.70 = 123,105,821.80/x - Step 3: Cross multiply
133,059,101.80x = 199,588,652.70 × 123,105,821.80 - Step 4: Simplify right side
133,059,101.80x = 24,570,525,112,588,288 - Step 5: Solve for x
x = 24,570,525,112,588,288/133,059,101.80 - Step 6: Final answer
x = 184,658,732.70
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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.