Finding the Fourth Proportional to 102,517,749.95, 141,474,869.92 and 55,474,823.83
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Solution
The fourth proportional to 102,517,749.95, 141,474,869.92 and 55,474,823.83 is: 76,555,459.80
Step by Step Solution
- Step 1: Write the proportion equation
102,517,749.95 : 141,474,869.92 = 55,474,823.83 : x - Step 2: Convert to fraction form
102,517,749.95/141,474,869.92 = 55,474,823.83/x - Step 3: Cross multiply
102,517,749.95x = 141,474,869.92 × 55,474,823.83 - Step 4: Simplify right side
102,517,749.95x = 7,848,293,485,184,165 - Step 5: Solve for x
x = 7,848,293,485,184,165/102,517,749.95 - Step 6: Final answer
x = 76,555,459.80
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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.