Finding the Fourth Proportional to 290,993,320.73, 436,485,869.94 and 135,460,136.94
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Solution
The fourth proportional to 290,993,320.73, 436,485,869.94 and 135,460,136.94 is: 203,188,291.62
Step by Step Solution
- Step 1: Write the proportion equation
290,993,320.73 : 436,485,869.94 = 135,460,136.94 : x - Step 2: Convert to fraction form
290,993,320.73/436,485,869.94 = 135,460,136.94/x - Step 3: Cross multiply
290,993,320.73x = 436,485,869.94 × 135,460,136.94 - Step 4: Simplify right side
290,993,320.73x = 59,126,435,713,318,584 - Step 5: Solve for x
x = 59,126,435,713,318,584/290,993,320.73 - Step 6: Final answer
x = 203,188,291.62
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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.