Finding the Fourth Proportional to 142,727,687.21, 214,091,714.20 and 39,097,803.99
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Solution
The fourth proportional to 142,727,687.21, 214,091,714.20 and 39,097,803.99 is: 58,646,756.22
Step by Step Solution
- Step 1: Write the proportion equation
142,727,687.21 : 214,091,714.20 = 39,097,803.99 : x - Step 2: Convert to fraction form
142,727,687.21/214,091,714.20 = 39,097,803.99/x - Step 3: Cross multiply
142,727,687.21x = 214,091,714.20 × 39,097,803.99 - Step 4: Simplify right side
142,727,687.21x = 8,370,515,877,414,029 - Step 5: Solve for x
x = 8,370,515,877,414,029/142,727,687.21 - Step 6: Final answer
x = 58,646,756.22
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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.