Finding the Fourth Proportional to 105,914,243.66, 146,201,304.49 and 79,528,819.05
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Solution
The fourth proportional to 105,914,243.66, 146,201,304.49 and 79,528,819.05 is: 109,779,541.34
Step by Step Solution
- Step 1: Write the proportion equation
105,914,243.66 : 146,201,304.49 = 79,528,819.05 : x - Step 2: Convert to fraction form
105,914,243.66/146,201,304.49 = 79,528,819.05/x - Step 3: Cross multiply
105,914,243.66x = 146,201,304.49 × 79,528,819.05 - Step 4: Simplify right side
105,914,243.66x = 11,627,217,089,460,340 - Step 5: Solve for x
x = 11,627,217,089,460,340/105,914,243.66 - Step 6: Final answer
x = 109,779,541.34
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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.