Finding the Fourth Proportional to 80,178,549.63, 110,646,398.50 and 43,509,120.63
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Solution
The fourth proportional to 80,178,549.63, 110,646,398.50 and 43,509,120.63 is: 60,042,586.48
Step by Step Solution
- Step 1: Write the proportion equation
80,178,549.63 : 110,646,398.50 = 43,509,120.63 : x - Step 2: Convert to fraction form
80,178,549.63/110,646,398.50 = 43,509,120.63/x - Step 3: Cross multiply
80,178,549.63x = 110,646,398.50 × 43,509,120.63 - Step 4: Simplify right side
80,178,549.63x = 4,814,127,499,611,551 - Step 5: Solve for x
x = 4,814,127,499,611,551/80,178,549.63 - Step 6: Final answer
x = 60,042,586.48
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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.