Finding the Fourth Proportional to 205,476,091.68, 283,568,590.80 and 121,893,708
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Solution
The fourth proportional to 205,476,091.68, 283,568,590.80 and 121,893,708 is: 168,220,189.13
Step by Step Solution
- Step 1: Write the proportion equation
205,476,091.68 : 283,568,590.80 = 121,893,708 : x - Step 2: Convert to fraction form
205,476,091.68/283,568,590.80 = 121,893,708/x - Step 3: Cross multiply
205,476,091.68x = 283,568,590.80 × 121,893,708 - Step 4: Simplify right side
205,476,091.68x = 34,565,227,004,946,688 - Step 5: Solve for x
x = 34,565,227,004,946,688/205,476,091.68 - Step 6: Final answer
x = 168,220,189.13
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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.