Finding the Fourth Proportional to 129,195,442.81, 193,715,107.70 and 51,484,302.01
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Solution
The fourth proportional to 129,195,442.81, 193,715,107.70 and 51,484,302.01 is: 77,195,347.54
Step by Step Solution
- Step 1: Write the proportion equation
129,195,442.81 : 193,715,107.70 = 51,484,302.01 : x - Step 2: Convert to fraction form
129,195,442.81/193,715,107.70 = 51,484,302.01/x - Step 3: Cross multiply
129,195,442.81x = 193,715,107.70 × 51,484,302.01 - Step 4: Simplify right side
129,195,442.81x = 9,973,287,108,469,054 - Step 5: Solve for x
x = 9,973,287,108,469,054/129,195,442.81 - Step 6: Final answer
x = 77,195,347.54
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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.