Finding the Fourth Proportional to 66,959,440.38, 92,414,112.73 and 40,869,119.48
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Solution
The fourth proportional to 66,959,440.38, 92,414,112.73 and 40,869,119.48 is: 56,405,540.32
Step by Step Solution
- Step 1: Write the proportion equation
66,959,440.38 : 92,414,112.73 = 40,869,119.48 : x - Step 2: Convert to fraction form
66,959,440.38/92,414,112.73 = 40,869,119.48/x - Step 3: Cross multiply
66,959,440.38x = 92,414,112.73 × 40,869,119.48 - Step 4: Simplify right side
66,959,440.38x = 3,776,883,414,236,316 - Step 5: Solve for x
x = 3,776,883,414,236,316/66,959,440.38 - Step 6: Final answer
x = 56,405,540.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.