Finding the Fourth Proportional to 66,529,158.40, 99,896,380.80 and 36,296,070.40
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Solution
The fourth proportional to 66,529,158.40, 99,896,380.80 and 36,296,070.40 is: 54,500,104.28
Step by Step Solution
- Step 1: Write the proportion equation
66,529,158.40 : 99,896,380.80 = 36,296,070.40 : x - Step 2: Convert to fraction form
66,529,158.40/99,896,380.80 = 36,296,070.40/x - Step 3: Cross multiply
66,529,158.40x = 99,896,380.80 × 36,296,070.40 - Step 4: Simplify right side
66,529,158.40x = 3,625,846,070,222,008 - Step 5: Solve for x
x = 3,625,846,070,222,008/66,529,158.40 - Step 6: Final answer
x = 54,500,104.28
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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.