Finding the Fourth Proportional to 236,143,742.82, 325,862,618.66 and 135,675,412.26
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Solution
The fourth proportional to 236,143,742.82, 325,862,618.66 and 135,675,412.26 is: 187,223,021.87
Step by Step Solution
- Step 1: Write the proportion equation
236,143,742.82 : 325,862,618.66 = 135,675,412.26 : x - Step 2: Convert to fraction form
236,143,742.82/325,862,618.66 = 135,675,412.26/x - Step 3: Cross multiply
236,143,742.82x = 325,862,618.66 × 135,675,412.26 - Step 4: Simplify right side
236,143,742.82x = 44,211,545,126,818,672 - Step 5: Solve for x
x = 44,211,545,126,818,672/236,143,742.82 - Step 6: Final answer
x = 187,223,021.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.