Finding the Fourth Proportional to 55,765,983.30, 83,648,974.95 and 44,286,857.70
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Solution
The fourth proportional to 55,765,983.30, 83,648,974.95 and 44,286,857.70 is: 66,430,286.55
Step by Step Solution
- Step 1: Write the proportion equation
55,765,983.30 : 83,648,974.95 = 44,286,857.70 : x - Step 2: Convert to fraction form
55,765,983.30/83,648,974.95 = 44,286,857.70/x - Step 3: Cross multiply
55,765,983.30x = 83,648,974.95 × 44,286,857.70 - Step 4: Simplify right side
55,765,983.30x = 3,704,550,250,361,515 - Step 5: Solve for x
x = 3,704,550,250,361,515/55,765,983.30 - Step 6: Final answer
x = 66,430,286.55
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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.