Finding the Fourth Proportional to 55,132,673.20, 82,699,009.80 and 16,794,125.80
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Solution
The fourth proportional to 55,132,673.20, 82,699,009.80 and 16,794,125.80 is: 25,191,188.70
Step by Step Solution
- Step 1: Write the proportion equation
55,132,673.20 : 82,699,009.80 = 16,794,125.80 : x - Step 2: Convert to fraction form
55,132,673.20/82,699,009.80 = 16,794,125.80/x - Step 3: Cross multiply
55,132,673.20x = 82,699,009.80 × 16,794,125.80 - Step 4: Simplify right side
55,132,673.20x = 1,388,857,574,116,632.75 - Step 5: Solve for x
x = 1,388,857,574,116,632.75/55,132,673.20 - Step 6: Final answer
x = 25,191,188.70
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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.