Finding the Fourth Proportional to 66,912,266.05, 100,351,373.67 and 20,845,548.49
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Solution
The fourth proportional to 66,912,266.05, 100,351,373.67 and 20,845,548.49 is: 31,263,018.72
Step by Step Solution
- Step 1: Write the proportion equation
66,912,266.05 : 100,351,373.67 = 20,845,548.49 : x - Step 2: Convert to fraction form
66,912,266.05/100,351,373.67 = 20,845,548.49/x - Step 3: Cross multiply
66,912,266.05x = 100,351,373.67 × 20,845,548.49 - Step 4: Simplify right side
66,912,266.05x = 2,091,879,425,876,094.25 - Step 5: Solve for x
x = 2,091,879,425,876,094.25/66,912,266.05 - Step 6: Final answer
x = 31,263,018.72
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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.