Finding the Fourth Proportional to 128,545,302.98, 192,792,847.10 and 41,083,358.90
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Solution
The fourth proportional to 128,545,302.98, 192,792,847.10 and 41,083,358.90 is: 61,617,013.98
Step by Step Solution
- Step 1: Write the proportion equation
128,545,302.98 : 192,792,847.10 = 41,083,358.90 : x - Step 2: Convert to fraction form
128,545,302.98/192,792,847.10 = 41,083,358.90/x - Step 3: Cross multiply
128,545,302.98x = 192,792,847.10 × 41,083,358.90 - Step 4: Simplify right side
128,545,302.98x = 7,920,577,730,762,124 - Step 5: Solve for x
x = 7,920,577,730,762,124/128,545,302.98 - Step 6: Final answer
x = 61,617,013.98
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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.