Finding the Fourth Proportional to 86,409,458.40, 129,295,322.88 and 51,886,884.99
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Solution
The fourth proportional to 86,409,458.40, 129,295,322.88 and 51,886,884.99 is: 77,638,856.58
Step by Step Solution
- Step 1: Write the proportion equation
86,409,458.40 : 129,295,322.88 = 51,886,884.99 : x - Step 2: Convert to fraction form
86,409,458.40/129,295,322.88 = 51,886,884.99/x - Step 3: Cross multiply
86,409,458.40x = 129,295,322.88 × 51,886,884.99 - Step 4: Simplify right side
86,409,458.40x = 6,708,731,548,019,476 - Step 5: Solve for x
x = 6,708,731,548,019,476/86,409,458.40 - Step 6: Final answer
x = 77,638,856.58
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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.