Finding the Fourth Proportional to 166,168,896.36, 249,030,543.96 and 129,325,274.88
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Solution
The fourth proportional to 166,168,896.36, 249,030,543.96 and 129,325,274.88 is: 193,814,511.96
Step by Step Solution
- Step 1: Write the proportion equation
166,168,896.36 : 249,030,543.96 = 129,325,274.88 : x - Step 2: Convert to fraction form
166,168,896.36/249,030,543.96 = 129,325,274.88/x - Step 3: Cross multiply
166,168,896.36x = 249,030,543.96 × 129,325,274.88 - Step 4: Simplify right side
166,168,896.36x = 32,205,943,551,142,924 - Step 5: Solve for x
x = 32,205,943,551,142,924/166,168,896.36 - Step 6: Final answer
x = 193,814,511.96
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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.