Finding the Fourth Proportional to 165,888,124.80, 248,832,187.20 and 44,715,235.20
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Solution
The fourth proportional to 165,888,124.80, 248,832,187.20 and 44,715,235.20 is: 67,072,852.80
Step by Step Solution
- Step 1: Write the proportion equation
165,888,124.80 : 248,832,187.20 = 44,715,235.20 : x - Step 2: Convert to fraction form
165,888,124.80/248,832,187.20 = 44,715,235.20/x - Step 3: Cross multiply
165,888,124.80x = 248,832,187.20 × 44,715,235.20 - Step 4: Simplify right side
165,888,124.80x = 11,126,589,775,978,430 - Step 5: Solve for x
x = 11,126,589,775,978,430/165,888,124.80 - Step 6: Final answer
x = 67,072,852.80
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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.