Finding the Fourth Proportional to 128,545,299.61, 192,792,842.05 and 41,083,355.52
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Solution
The fourth proportional to 128,545,299.61, 192,792,842.05 and 41,083,355.52 is: 61,617,008.91
Step by Step Solution
- Step 1: Write the proportion equation
128,545,299.61 : 192,792,842.05 = 41,083,355.52 : x - Step 2: Convert to fraction form
128,545,299.61/192,792,842.05 = 41,083,355.52/x - Step 3: Cross multiply
128,545,299.61x = 192,792,842.05 × 41,083,355.52 - Step 4: Simplify right side
128,545,299.61x = 7,920,576,871,066,665 - Step 5: Solve for x
x = 7,920,576,871,066,665/128,545,299.61 - Step 6: Final answer
x = 61,617,008.91
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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.