Finding the Fourth Proportional to 66,415,440.20, 99,641,822.70 and 32,337,897.80
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Solution
The fourth proportional to 66,415,440.20, 99,641,822.70 and 32,337,897.80 is: 48,515,933.48
Step by Step Solution
- Step 1: Write the proportion equation
66,415,440.20 : 99,641,822.70 = 32,337,897.80 : x - Step 2: Convert to fraction form
66,415,440.20/99,641,822.70 = 32,337,897.80/x - Step 3: Cross multiply
66,415,440.20x = 99,641,822.70 × 32,337,897.80 - Step 4: Simplify right side
66,415,440.20x = 3,222,207,079,078,320 - Step 5: Solve for x
x = 3,222,207,079,078,320/66,415,440.20 - Step 6: Final answer
x = 48,515,933.48
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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.