Finding the Fourth Proportional to 269,227,790.88, 371,562,915.30 and 157,812,246.84
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Solution
The fourth proportional to 269,227,790.88, 371,562,915.30 and 157,812,246.84 is: 217,797,643.83
Step by Step Solution
- Step 1: Write the proportion equation
269,227,790.88 : 371,562,915.30 = 157,812,246.84 : x - Step 2: Convert to fraction form
269,227,790.88/371,562,915.30 = 157,812,246.84/x - Step 3: Cross multiply
269,227,790.88x = 371,562,915.30 × 157,812,246.84 - Step 4: Simplify right side
269,227,790.88x = 58,637,178,505,913,616 - Step 5: Solve for x
x = 58,637,178,505,913,616/269,227,790.88 - Step 6: Final answer
x = 217,797,643.83
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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.