Finding the Fourth Proportional to 322,291,293.80, 483,436,940.70 and 106,880,541.80
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Solution
The fourth proportional to 322,291,293.80, 483,436,940.70 and 106,880,541.80 is: 160,320,812.70
Step by Step Solution
- Step 1: Write the proportion equation
322,291,293.80 : 483,436,940.70 = 106,880,541.80 : x - Step 2: Convert to fraction form
322,291,293.80/483,436,940.70 = 106,880,541.80/x - Step 3: Cross multiply
322,291,293.80x = 483,436,940.70 × 106,880,541.80 - Step 4: Simplify right side
322,291,293.80x = 51,670,002,148,150,472 - Step 5: Solve for x
x = 51,670,002,148,150,472/322,291,293.80 - Step 6: Final answer
x = 160,320,812.70
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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.