Finding the Fourth Proportional to 307,848,728.99, 424,836,766.14 and 168,610,522.70
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Solution
The fourth proportional to 307,848,728.99, 424,836,766.14 and 168,610,522.70 is: 232,685,544.74
Step by Step Solution
- Step 1: Write the proportion equation
307,848,728.99 : 424,836,766.14 = 168,610,522.70 : x - Step 2: Convert to fraction form
307,848,728.99/424,836,766.14 = 168,610,522.70/x - Step 3: Cross multiply
307,848,728.99x = 424,836,766.14 × 168,610,522.70 - Step 4: Simplify right side
307,848,728.99x = 71,631,949,201,043,056 - Step 5: Solve for x
x = 71,631,949,201,043,056/307,848,728.99 - Step 6: Final answer
x = 232,685,544.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.