Finding the Fourth Proportional to 129,114,330.08, 193,556,826.54 and 50,312,591.96
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Solution
The fourth proportional to 129,114,330.08, 193,556,826.54 and 50,312,591.96 is: 75,424,204.49
Step by Step Solution
- Step 1: Write the proportion equation
129,114,330.08 : 193,556,826.54 = 50,312,591.96 : x - Step 2: Convert to fraction form
129,114,330.08/193,556,826.54 = 50,312,591.96/x - Step 3: Cross multiply
129,114,330.08x = 193,556,826.54 × 50,312,591.96 - Step 4: Simplify right side
129,114,330.08x = 9,738,345,634,779,518 - Step 5: Solve for x
x = 9,738,345,634,779,518/129,114,330.08 - Step 6: Final answer
x = 75,424,204.49
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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.