Finding the Fourth Proportional to 51,168,143.80, 76,743,808.62 and 18,371,923.48
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Solution
The fourth proportional to 51,168,143.80, 76,743,808.62 and 18,371,923.48 is: 27,554,866.66
Step by Step Solution
- Step 1: Write the proportion equation
51,168,143.80 : 76,743,808.62 = 18,371,923.48 : x - Step 2: Convert to fraction form
51,168,143.80/76,743,808.62 = 18,371,923.48/x - Step 3: Cross multiply
51,168,143.80x = 76,743,808.62 × 18,371,923.48 - Step 4: Simplify right side
51,168,143.80x = 1,409,931,379,530,404.50 - Step 5: Solve for x
x = 1,409,931,379,530,404.50/51,168,143.80 - Step 6: Final answer
x = 27,554,866.66
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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.