Finding the Fourth Proportional to 66,456,245.30, 99,684,367.95 and 39,134,491.70
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Solution
The fourth proportional to 66,456,245.30, 99,684,367.95 and 39,134,491.70 is: 58,701,737.55
Step by Step Solution
- Step 1: Write the proportion equation
66,456,245.30 : 99,684,367.95 = 39,134,491.70 : x - Step 2: Convert to fraction form
66,456,245.30/99,684,367.95 = 39,134,491.70/x - Step 3: Cross multiply
66,456,245.30x = 99,684,367.95 × 39,134,491.70 - Step 4: Simplify right side
66,456,245.30x = 3,901,097,070,159,021.50 - Step 5: Solve for x
x = 3,901,097,070,159,021.50/66,456,245.30 - Step 6: Final answer
x = 58,701,737.55
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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.