Finding the Fourth Proportional to 196,346,613.36, 270,959,147.68 and 108,238,677.06
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Solution
The fourth proportional to 196,346,613.36, 270,959,147.68 and 108,238,677.06 is: 149,369,827.06
Step by Step Solution
- Step 1: Write the proportion equation
196,346,613.36 : 270,959,147.68 = 108,238,677.06 : x - Step 2: Convert to fraction form
196,346,613.36/270,959,147.68 = 108,238,677.06/x - Step 3: Cross multiply
196,346,613.36x = 270,959,147.68 × 108,238,677.06 - Step 4: Simplify right side
196,346,613.36x = 29,328,259,682,188,368 - Step 5: Solve for x
x = 29,328,259,682,188,368/196,346,613.36 - Step 6: Final answer
x = 149,369,827.06
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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.