Finding the Fourth Proportional to 45,768,660.80, 68,652,991.20 and 27,593,378.60
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Solution
The fourth proportional to 45,768,660.80, 68,652,991.20 and 27,593,378.60 is: 41,390,067.90
Step by Step Solution
- Step 1: Write the proportion equation
45,768,660.80 : 68,652,991.20 = 27,593,378.60 : x - Step 2: Convert to fraction form
45,768,660.80/68,652,991.20 = 27,593,378.60/x - Step 3: Cross multiply
45,768,660.80x = 68,652,991.20 × 27,593,378.60 - Step 4: Simplify right side
45,768,660.80x = 1,894,367,978,204,068.50 - Step 5: Solve for x
x = 1,894,367,978,204,068.50/45,768,660.80 - Step 6: Final answer
x = 41,390,067.90
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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.