Finding the Fourth Proportional to 269,660,967.97, 372,026,249.15 and 156,611,214.62
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Solution
The fourth proportional to 269,660,967.97, 372,026,249.15 and 156,611,214.62 is: 216,061,980.31
Step by Step Solution
- Step 1: Write the proportion equation
269,660,967.97 : 372,026,249.15 = 156,611,214.62 : x - Step 2: Convert to fraction form
269,660,967.97/372,026,249.15 = 156,611,214.62/x - Step 3: Cross multiply
269,660,967.97x = 372,026,249.15 × 156,611,214.62 - Step 4: Simplify right side
269,660,967.97x = 58,263,482,751,225,832 - Step 5: Solve for x
x = 58,263,482,751,225,832/269,660,967.97 - Step 6: Final answer
x = 216,061,980.31
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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.