Finding the Fourth Proportional to 135,149,063.18, 186,659,671.65 and 91,613,416.46
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Solution
The fourth proportional to 135,149,063.18, 186,659,671.65 and 91,613,416.46 is: 126,530,882.51
Step by Step Solution
- Step 1: Write the proportion equation
135,149,063.18 : 186,659,671.65 = 91,613,416.46 : x - Step 2: Convert to fraction form
135,149,063.18/186,659,671.65 = 91,613,416.46/x - Step 3: Cross multiply
135,149,063.18x = 186,659,671.65 × 91,613,416.46 - Step 4: Simplify right side
135,149,063.18x = 17,100,530,235,158,304 - Step 5: Solve for x
x = 17,100,530,235,158,304/135,149,063.18 - Step 6: Final answer
x = 126,530,882.51
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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.