Finding the Fourth Proportional to 80,178,563.02, 110,646,416.99 and 43,509,134.02
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Solution
The fourth proportional to 80,178,563.02, 110,646,416.99 and 43,509,134.02 is: 60,042,604.96
Step by Step Solution
- Step 1: Write the proportion equation
80,178,563.02 : 110,646,416.99 = 43,509,134.02 : x - Step 2: Convert to fraction form
80,178,563.02/110,646,416.99 = 43,509,134.02/x - Step 3: Cross multiply
80,178,563.02x = 110,646,416.99 × 43,509,134.02 - Step 4: Simplify right side
80,178,563.02x = 4,814,129,785,650,715 - Step 5: Solve for x
x = 4,814,129,785,650,715/80,178,563.02 - Step 6: Final answer
x = 60,042,604.96
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.