Finding the Fourth Proportional to 115,024,586.21, 158,747,550.05 and 64,790,458.19
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Solution
The fourth proportional to 115,024,586.21, 158,747,550.05 and 64,790,458.19 is: 89,418,504.71
Step by Step Solution
- Step 1: Write the proportion equation
115,024,586.21 : 158,747,550.05 = 64,790,458.19 : x - Step 2: Convert to fraction form
115,024,586.21/158,747,550.05 = 64,790,458.19/x - Step 3: Cross multiply
115,024,586.21x = 158,747,550.05 × 64,790,458.19 - Step 4: Simplify right side
115,024,586.21x = 10,285,326,503,647,696 - Step 5: Solve for x
x = 10,285,326,503,647,696/115,024,586.21 - Step 6: Final answer
x = 89,418,504.71
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.