Finding the Fourth Proportional to 100,967,896.96, 139,346,769.25 and 58,590,791.62
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Solution
The fourth proportional to 100,967,896.96, 139,346,769.25 and 58,590,791.62 is: 80,861,717.09
Step by Step Solution
- Step 1: Write the proportion equation
100,967,896.96 : 139,346,769.25 = 58,590,791.62 : x - Step 2: Convert to fraction form
100,967,896.96/139,346,769.25 = 58,590,791.62/x - Step 3: Cross multiply
100,967,896.96x = 139,346,769.25 × 58,590,791.62 - Step 4: Simplify right side
100,967,896.96x = 8,164,437,519,441,980 - Step 5: Solve for x
x = 8,164,437,519,441,980/100,967,896.96 - Step 6: Final answer
x = 80,861,717.09
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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.