Finding the Fourth Proportional to 66,051,242.70, 99,041,434.65 and 27,669,392.70
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Solution
The fourth proportional to 66,051,242.70, 99,041,434.65 and 27,669,392.70 is: 41,489,247.39
Step by Step Solution
- Step 1: Write the proportion equation
66,051,242.70 : 99,041,434.65 = 27,669,392.70 : x - Step 2: Convert to fraction form
66,051,242.70/99,041,434.65 = 27,669,392.70/x - Step 3: Cross multiply
66,051,242.70x = 99,041,434.65 × 27,669,392.70 - Step 4: Simplify right side
66,051,242.70x = 2,740,416,348,902,237 - Step 5: Solve for x
x = 2,740,416,348,902,237/66,051,242.70 - Step 6: Final answer
x = 41,489,247.39
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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.