Finding the Fourth Proportional to 129,027,405.20, 193,541,107.80 and 57,363,789.20
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Solution
The fourth proportional to 129,027,405.20, 193,541,107.80 and 57,363,789.20 is: 86,045,683.80
Step by Step Solution
- Step 1: Write the proportion equation
129,027,405.20 : 193,541,107.80 = 57,363,789.20 : x - Step 2: Convert to fraction form
129,027,405.20/193,541,107.80 = 57,363,789.20/x - Step 3: Cross multiply
129,027,405.20x = 193,541,107.80 × 57,363,789.20 - Step 4: Simplify right side
129,027,405.20x = 11,102,251,309,373,678 - Step 5: Solve for x
x = 11,102,251,309,373,678/129,027,405.20 - Step 6: Final answer
x = 86,045,683.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.