Finding the Fourth Proportional to 45,515,133.20, 68,272,768.92 and 18,588,789.20
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Solution
The fourth proportional to 45,515,133.20, 68,272,768.92 and 18,588,789.20 is: 27,883,212.03
Step by Step Solution
- Step 1: Write the proportion equation
45,515,133.20 : 68,272,768.92 = 18,588,789.20 : x - Step 2: Convert to fraction form
45,515,133.20/68,272,768.92 = 18,588,789.20/x - Step 3: Cross multiply
45,515,133.20x = 68,272,768.92 × 18,588,789.20 - Step 4: Simplify right side
45,515,133.20x = 1,269,108,109,554,191.75 - Step 5: Solve for x
x = 1,269,108,109,554,191.75/45,515,133.20 - Step 6: Final answer
x = 27,883,212.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.