Finding the Fourth Proportional to 165,946,071.20, 248,919,106.80 and 44,777,328.80
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Solution
The fourth proportional to 165,946,071.20, 248,919,106.80 and 44,777,328.80 is: 67,165,993.20
Step by Step Solution
- Step 1: Write the proportion equation
165,946,071.20 : 248,919,106.80 = 44,777,328.80 : x - Step 2: Convert to fraction form
165,946,071.20/248,919,106.80 = 44,777,328.80/x - Step 3: Cross multiply
165,946,071.20x = 248,919,106.80 × 44,777,328.80 - Step 4: Simplify right side
165,946,071.20x = 11,145,932,689,785,916 - Step 5: Solve for x
x = 11,145,932,689,785,916/165,946,071.20 - Step 6: Final answer
x = 67,165,993.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.