Finding the Fourth Proportional to 165,888,176.80, 248,832,265.20 and 149,763,863.20
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Solution
The fourth proportional to 165,888,176.80, 248,832,265.20 and 149,763,863.20 is: 224,645,794.80
Step by Step Solution
- Step 1: Write the proportion equation
165,888,176.80 : 248,832,265.20 = 149,763,863.20 : x - Step 2: Convert to fraction form
165,888,176.80/248,832,265.20 = 149,763,863.20/x - Step 3: Cross multiply
165,888,176.80x = 248,832,265.20 × 149,763,863.20 - Step 4: Simplify right side
165,888,176.80x = 37,266,081,325,158,912 - Step 5: Solve for x
x = 37,266,081,325,158,912/165,888,176.80 - Step 6: Final answer
x = 224,645,794.80
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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.