Finding the Fourth Proportional to 195,261,434.81, 292,882,687.97 and 72,463,692.09
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Solution
The fourth proportional to 195,261,434.81, 292,882,687.97 and 72,463,692.09 is: 108,692,025.85
Step by Step Solution
- Step 1: Write the proportion equation
195,261,434.81 : 292,882,687.97 = 72,463,692.09 : x - Step 2: Convert to fraction form
195,261,434.81/292,882,687.97 = 72,463,692.09/x - Step 3: Cross multiply
195,261,434.81x = 292,882,687.97 × 72,463,692.09 - Step 4: Simplify right side
195,261,434.81x = 21,223,360,919,187,308 - Step 5: Solve for x
x = 21,223,360,919,187,308/195,261,434.81 - Step 6: Final answer
x = 108,692,025.85
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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.