Finding the Fourth Proportional to 66,416,213.10, 99,624,319.65 and 32,403,989.10
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Solution
The fourth proportional to 66,416,213.10, 99,624,319.65 and 32,403,989.10 is: 48,605,983.65
Step by Step Solution
- Step 1: Write the proportion equation
66,416,213.10 : 99,624,319.65 = 32,403,989.10 : x - Step 2: Convert to fraction form
66,416,213.10/99,624,319.65 = 32,403,989.10/x - Step 3: Cross multiply
66,416,213.10x = 99,624,319.65 × 32,403,989.10 - Step 4: Simplify right side
66,416,213.10x = 3,228,225,368,033,516 - Step 5: Solve for x
x = 3,228,225,368,033,516/66,416,213.10 - Step 6: Final answer
x = 48,605,983.65
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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.