Finding the Fourth Proportional to 236,344,153.16, 326,209,351.38 and 138,590,501.96
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Solution
The fourth proportional to 236,344,153.16, 326,209,351.38 and 138,590,501.96 is: 191,286,804.21
Step by Step Solution
- Step 1: Write the proportion equation
236,344,153.16 : 326,209,351.38 = 138,590,501.96 : x - Step 2: Convert to fraction form
236,344,153.16/326,209,351.38 = 138,590,501.96/x - Step 3: Cross multiply
236,344,153.16x = 326,209,351.38 × 138,590,501.96 - Step 4: Simplify right side
236,344,153.16x = 45,209,517,751,800,224 - Step 5: Solve for x
x = 45,209,517,751,800,224/236,344,153.16 - Step 6: Final answer
x = 191,286,804.21
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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.