Finding the Fourth Proportional to 73,609,899.80, 110,414,849.70 and 25,142,480.60
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Solution
The fourth proportional to 73,609,899.80, 110,414,849.70 and 25,142,480.60 is: 37,713,720.90
Step by Step Solution
- Step 1: Write the proportion equation
73,609,899.80 : 110,414,849.70 = 25,142,480.60 : x - Step 2: Convert to fraction form
73,609,899.80/110,414,849.70 = 25,142,480.60/x - Step 3: Cross multiply
73,609,899.80x = 110,414,849.70 × 25,142,480.60 - Step 4: Simplify right side
73,609,899.80x = 2,776,103,216,534,166 - Step 5: Solve for x
x = 2,776,103,216,534,166/73,609,899.80 - Step 6: Final answer
x = 37,713,720.90
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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.