Finding the Fourth Proportional to 84,874,743.01, 117,128,186.69 and 51,383,767.14
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Solution
The fourth proportional to 84,874,743.01, 117,128,186.69 and 51,383,767.14 is: 70,910,229.09
Step by Step Solution
- Step 1: Write the proportion equation
84,874,743.01 : 117,128,186.69 = 51,383,767.14 : x - Step 2: Convert to fraction form
84,874,743.01/117,128,186.69 = 51,383,767.14/x - Step 3: Cross multiply
84,874,743.01x = 117,128,186.69 × 51,383,767.14 - Step 4: Simplify right side
84,874,743.01x = 6,018,487,470,409,407 - Step 5: Solve for x
x = 6,018,487,470,409,407/84,874,743.01 - Step 6: Final answer
x = 70,910,229.09
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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.