Finding the Fourth Proportional to 100,613,138.28, 138,846,713.64 and 56,559,751.44
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Solution
The fourth proportional to 100,613,138.28, 138,846,713.64 and 56,559,751.44 is: 78,052,784.62
Step by Step Solution
- Step 1: Write the proportion equation
100,613,138.28 : 138,846,713.64 = 56,559,751.44 : x - Step 2: Convert to fraction form
100,613,138.28/138,846,713.64 = 56,559,751.44/x - Step 3: Cross multiply
100,613,138.28x = 138,846,713.64 × 56,559,751.44 - Step 4: Simplify right side
100,613,138.28x = 7,853,135,611,739,257 - Step 5: Solve for x
x = 7,853,135,611,739,257/100,613,138.28 - Step 6: Final answer
x = 78,052,784.62
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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.