Finding the Fourth Proportional to 83,770,241.20, 125,655,361.80 and 23,185,967.20
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Solution
The fourth proportional to 83,770,241.20, 125,655,361.80 and 23,185,967.20 is: 34,778,950.80
Step by Step Solution
- Step 1: Write the proportion equation
83,770,241.20 : 125,655,361.80 = 23,185,967.20 : x - Step 2: Convert to fraction form
83,770,241.20/125,655,361.80 = 23,185,967.20/x - Step 3: Cross multiply
83,770,241.20x = 125,655,361.80 × 23,185,967.20 - Step 4: Simplify right side
83,770,241.20x = 2,913,441,097,198,933 - Step 5: Solve for x
x = 2,913,441,097,198,933/83,770,241.20 - Step 6: Final answer
x = 34,778,950.80
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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.