Finding the Fourth Proportional to 135,328,615.92, 186,755,281.56 and 73,449,696.24
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Solution
The fourth proportional to 135,328,615.92, 186,755,281.56 and 73,449,696.24 is: 101,361,553.20
Step by Step Solution
- Step 1: Write the proportion equation
135,328,615.92 : 186,755,281.56 = 73,449,696.24 : x - Step 2: Convert to fraction form
135,328,615.92/186,755,281.56 = 73,449,696.24/x - Step 3: Cross multiply
135,328,615.92x = 186,755,281.56 × 73,449,696.24 - Step 4: Simplify right side
135,328,615.92x = 13,717,118,701,797,672 - Step 5: Solve for x
x = 13,717,118,701,797,672/135,328,615.92 - Step 6: Final answer
x = 101,361,553.20
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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.