Finding the Fourth Proportional to 129,085,438.92, 193,669,090.44 and 46,085,410.68
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Solution
The fourth proportional to 129,085,438.92, 193,669,090.44 and 46,085,410.68 is: 69,142,729.37
Step by Step Solution
- Step 1: Write the proportion equation
129,085,438.92 : 193,669,090.44 = 46,085,410.68 : x - Step 2: Convert to fraction form
129,085,438.92/193,669,090.44 = 46,085,410.68/x - Step 3: Cross multiply
129,085,438.92x = 193,669,090.44 × 46,085,410.68 - Step 4: Simplify right side
129,085,438.92x = 8,925,319,568,949,462 - Step 5: Solve for x
x = 8,925,319,568,949,462/129,085,438.92 - Step 6: Final answer
x = 69,142,729.37
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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.