Finding the Fourth Proportional to 171,405,839.07, 236,541,446.78 and 93,089,952.68
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Solution
The fourth proportional to 171,405,839.07, 236,541,446.78 and 93,089,952.68 is: 128,464,888.98
Step by Step Solution
- Step 1: Write the proportion equation
171,405,839.07 : 236,541,446.78 = 93,089,952.68 : x - Step 2: Convert to fraction form
171,405,839.07/236,541,446.78 = 93,089,952.68/x - Step 3: Cross multiply
171,405,839.07x = 236,541,446.78 × 93,089,952.68 - Step 4: Simplify right side
171,405,839.07x = 22,019,632,085,960,780 - Step 5: Solve for x
x = 22,019,632,085,960,780/171,405,839.07 - Step 6: Final answer
x = 128,464,888.98
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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.