Finding the Fourth Proportional to 165,637,198.53, 228,568,934.84 and 91,293,667.97
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Solution
The fourth proportional to 165,637,198.53, 228,568,934.84 and 91,293,667.97 is: 125,979,530.14
Step by Step Solution
- Step 1: Write the proportion equation
165,637,198.53 : 228,568,934.84 = 91,293,667.97 : x - Step 2: Convert to fraction form
165,637,198.53/228,568,934.84 = 91,293,667.97/x - Step 3: Cross multiply
165,637,198.53x = 228,568,934.84 × 91,293,667.97 - Step 4: Simplify right side
165,637,198.53x = 20,866,896,443,940,212 - Step 5: Solve for x
x = 20,866,896,443,940,212/165,637,198.53 - Step 6: Final answer
x = 125,979,530.14
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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.