Finding the Fourth Proportional to 294,080,803.80, 441,121,205.70 and 78,670,051.80
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Solution
The fourth proportional to 294,080,803.80, 441,121,205.70 and 78,670,051.80 is: 118,005,077.70
Step by Step Solution
- Step 1: Write the proportion equation
294,080,803.80 : 441,121,205.70 = 78,670,051.80 : x - Step 2: Convert to fraction form
294,080,803.80/441,121,205.70 = 78,670,051.80/x - Step 3: Cross multiply
294,080,803.80x = 441,121,205.70 × 78,670,051.80 - Step 4: Simplify right side
294,080,803.80x = 34,703,028,102,497,452 - Step 5: Solve for x
x = 34,703,028,102,497,452/294,080,803.80 - Step 6: Final answer
x = 118,005,077.70
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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.