Finding the Fourth Proportional to 145,163,792.10, 217,745,688.15 and 96,790,851.30
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Solution
The fourth proportional to 145,163,792.10, 217,745,688.15 and 96,790,851.30 is: 145,186,276.95
Step by Step Solution
- Step 1: Write the proportion equation
145,163,792.10 : 217,745,688.15 = 96,790,851.30 : x - Step 2: Convert to fraction form
145,163,792.10/217,745,688.15 = 96,790,851.30/x - Step 3: Cross multiply
145,163,792.10x = 217,745,688.15 × 96,790,851.30 - Step 4: Simplify right side
145,163,792.10x = 21,075,790,522,942,824 - Step 5: Solve for x
x = 21,075,790,522,942,824/145,163,792.10 - Step 6: Final answer
x = 145,186,276.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.