Finding the Fourth Proportional to 129,793,537.70, 194,690,805.75 and 31,425,080.44
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Solution
The fourth proportional to 129,793,537.70, 194,690,805.75 and 31,425,080.44 is: 47,137,741.53
Step by Step Solution
- Step 1: Write the proportion equation
129,793,537.70 : 194,690,805.75 = 31,425,080.44 : x - Step 2: Convert to fraction form
129,793,537.70/194,690,805.75 = 31,425,080.44/x - Step 3: Cross multiply
129,793,537.70x = 194,690,805.75 × 31,425,080.44 - Step 4: Simplify right side
129,793,537.70x = 6,118,174,232,344,196 - Step 5: Solve for x
x = 6,118,174,232,344,196/129,793,537.70 - Step 6: Final answer
x = 47,137,741.53
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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.