Finding the Fourth Proportional to 178,268,544.82, 245,951,785.56 and 107,677,778.68
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Solution
The fourth proportional to 178,268,544.82, 245,951,785.56 and 107,677,778.68 is: 148,559,814.40
Step by Step Solution
- Step 1: Write the proportion equation
178,268,544.82 : 245,951,785.56 = 107,677,778.68 : x - Step 2: Convert to fraction form
178,268,544.82/245,951,785.56 = 107,677,778.68/x - Step 3: Cross multiply
178,268,544.82x = 245,951,785.56 × 107,677,778.68 - Step 4: Simplify right side
178,268,544.82x = 26,483,541,931,480,500 - Step 5: Solve for x
x = 26,483,541,931,480,500/178,268,544.82 - Step 6: Final answer
x = 148,559,814.40
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.