Finding the Fourth Proportional to 66,430,250.70, 99,645,376.05 and 44,747,457.90
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Solution
The fourth proportional to 66,430,250.70, 99,645,376.05 and 44,747,457.90 is: 67,121,186.85
Step by Step Solution
- Step 1: Write the proportion equation
66,430,250.70 : 99,645,376.05 = 44,747,457.90 : x - Step 2: Convert to fraction form
66,430,250.70/99,645,376.05 = 44,747,457.90/x - Step 3: Cross multiply
66,430,250.70x = 99,645,376.05 × 44,747,457.90 - Step 4: Simplify right side
66,430,250.70x = 4,458,877,269,727,043 - Step 5: Solve for x
x = 4,458,877,269,727,043/66,430,250.70 - Step 6: Final answer
x = 67,121,186.85
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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.