Finding the Fourth Proportional to 83,548,912.20, 125,323,368.30 and 76,368,553.80
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Solution
The fourth proportional to 83,548,912.20, 125,323,368.30 and 76,368,553.80 is: 114,552,830.70
Step by Step Solution
- Step 1: Write the proportion equation
83,548,912.20 : 125,323,368.30 = 76,368,553.80 : x - Step 2: Convert to fraction form
83,548,912.20/125,323,368.30 = 76,368,553.80/x - Step 3: Cross multiply
83,548,912.20x = 125,323,368.30 × 76,368,553.80 - Step 4: Simplify right side
83,548,912.20x = 9,570,764,394,415,764 - Step 5: Solve for x
x = 9,570,764,394,415,764/83,548,912.20 - Step 6: Final answer
x = 114,552,830.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.