Finding the Fourth Proportional to 66,441,285.60, 99,472,971.60 and 51,198,770.40
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Solution
The fourth proportional to 66,441,285.60, 99,472,971.60 and 51,198,770.40 is: 76,652,548.00
Step by Step Solution
- Step 1: Write the proportion equation
66,441,285.60 : 99,472,971.60 = 51,198,770.40 : x - Step 2: Convert to fraction form
66,441,285.60/99,472,971.60 = 51,198,770.40/x - Step 3: Cross multiply
66,441,285.60x = 99,472,971.60 × 51,198,770.40 - Step 4: Simplify right side
66,441,285.60x = 5,092,893,833,954,120 - Step 5: Solve for x
x = 5,092,893,833,954,120/66,441,285.60 - Step 6: Final answer
x = 76,652,548.00
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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.