Finding the Fourth Proportional to 46,385,209.80, 69,577,814.70 and 43,739,814.60
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Solution
The fourth proportional to 46,385,209.80, 69,577,814.70 and 43,739,814.60 is: 65,609,721.90
Step by Step Solution
- Step 1: Write the proportion equation
46,385,209.80 : 69,577,814.70 = 43,739,814.60 : x - Step 2: Convert to fraction form
46,385,209.80/69,577,814.70 = 43,739,814.60/x - Step 3: Cross multiply
46,385,209.80x = 69,577,814.70 × 43,739,814.60 - Step 4: Simplify right side
46,385,209.80x = 3,043,320,715,251,155 - Step 5: Solve for x
x = 3,043,320,715,251,155/46,385,209.80 - Step 6: Final answer
x = 65,609,721.90
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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.