Finding the Fourth Proportional to 165,401,643.30, 248,102,464.95 and 68,325,087.30
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Solution
The fourth proportional to 165,401,643.30, 248,102,464.95 and 68,325,087.30 is: 102,487,630.95
Step by Step Solution
- Step 1: Write the proportion equation
165,401,643.30 : 248,102,464.95 = 68,325,087.30 : x - Step 2: Convert to fraction form
165,401,643.30/248,102,464.95 = 68,325,087.30/x - Step 3: Cross multiply
165,401,643.30x = 248,102,464.95 × 68,325,087.30 - Step 4: Simplify right side
165,401,643.30x = 16,951,622,577,053,938 - Step 5: Solve for x
x = 16,951,622,577,053,938/165,401,643.30 - Step 6: Final answer
x = 102,487,630.95
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1.5x scale
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.