Finding the Fourth Proportional to 102,701,246.63, 141,742,932.30 and 65,027,912.63
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Solution
The fourth proportional to 102,701,246.63, 141,742,932.30 and 65,027,912.63 is: 89,748,151.26
Step by Step Solution
- Step 1: Write the proportion equation
102,701,246.63 : 141,742,932.30 = 65,027,912.63 : x - Step 2: Convert to fraction form
102,701,246.63/141,742,932.30 = 65,027,912.63/x - Step 3: Cross multiply
102,701,246.63x = 141,742,932.30 × 65,027,912.63 - Step 4: Simplify right side
102,701,246.63x = 9,217,247,016,815,692 - Step 5: Solve for x
x = 9,217,247,016,815,692/102,701,246.63 - Step 6: Final answer
x = 89,748,151.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.