Finding the Fourth Proportional to 110,268,232.80, 165,402,349.20 and 79,657,231.20
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Solution
The fourth proportional to 110,268,232.80, 165,402,349.20 and 79,657,231.20 is: 119,485,846.80
Step by Step Solution
- Step 1: Write the proportion equation
110,268,232.80 : 165,402,349.20 = 79,657,231.20 : x - Step 2: Convert to fraction form
110,268,232.80/165,402,349.20 = 79,657,231.20/x - Step 3: Cross multiply
110,268,232.80x = 165,402,349.20 × 79,657,231.20 - Step 4: Simplify right side
110,268,232.80x = 13,175,493,171,247,534 - Step 5: Solve for x
x = 13,175,493,171,247,534/110,268,232.80 - Step 6: Final answer
x = 119,485,846.80
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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.