Finding the Fourth Proportional to 207,699,257.11, 311,021,531.56 and 124,648,732.17
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Solution
The fourth proportional to 207,699,257.11, 311,021,531.56 and 124,648,732.17 is: 186,656,611.71
Step by Step Solution
- Step 1: Write the proportion equation
207,699,257.11 : 311,021,531.56 = 124,648,732.17 : x - Step 2: Convert to fraction form
207,699,257.11/311,021,531.56 = 124,648,732.17/x - Step 3: Cross multiply
207,699,257.11x = 311,021,531.56 × 124,648,732.17 - Step 4: Simplify right side
207,699,257.11x = 38,768,439,586,525,640 - Step 5: Solve for x
x = 38,768,439,586,525,640/207,699,257.11 - Step 6: Final answer
x = 186,656,611.71
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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.