Finding the Fourth Proportional to 66,679,958.36, 100,021,692.64 and 18,158,804.57
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Solution
The fourth proportional to 66,679,958.36, 100,021,692.64 and 18,158,804.57 is: 27,238,684.82
Step by Step Solution
- Step 1: Write the proportion equation
66,679,958.36 : 100,021,692.64 = 18,158,804.57 : x - Step 2: Convert to fraction form
66,679,958.36/100,021,692.64 = 18,158,804.57/x - Step 3: Cross multiply
66,679,958.36x = 100,021,692.64 × 18,158,804.57 - Step 4: Simplify right side
66,679,958.36x = 1,816,274,369,597,955.25 - Step 5: Solve for x
x = 1,816,274,369,597,955.25/66,679,958.36 - Step 6: Final answer
x = 27,238,684.82
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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.