Finding the Fourth Proportional to 115,509,883.14, 173,148,169.92 and 72,409,296.36
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Solution
The fourth proportional to 115,509,883.14, 173,148,169.92 and 72,409,296.36 is: 108,540,817.54
Step by Step Solution
- Step 1: Write the proportion equation
115,509,883.14 : 173,148,169.92 = 72,409,296.36 : x - Step 2: Convert to fraction form
115,509,883.14/173,148,169.92 = 72,409,296.36/x - Step 3: Cross multiply
115,509,883.14x = 173,148,169.92 × 72,409,296.36 - Step 4: Simplify right side
115,509,883.14x = 12,537,537,149,928,916 - Step 5: Solve for x
x = 12,537,537,149,928,916/115,509,883.14 - Step 6: Final answer
x = 108,540,817.54
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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.