Finding the Fourth Proportional to 106,393,831.80, 159,466,744.80 and 48,891,915.60
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Solution
The fourth proportional to 106,393,831.80, 159,466,744.80 and 48,891,915.60 is: 73,280,889.46
Step by Step Solution
- Step 1: Write the proportion equation
106,393,831.80 : 159,466,744.80 = 48,891,915.60 : x - Step 2: Convert to fraction form
106,393,831.80/159,466,744.80 = 48,891,915.60/x - Step 3: Cross multiply
106,393,831.80x = 159,466,744.80 × 48,891,915.60 - Step 4: Simplify right side
106,393,831.80x = 7,796,634,627,768,340 - Step 5: Solve for x
x = 7,796,634,627,768,340/106,393,831.80 - Step 6: Final answer
x = 73,280,889.46
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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.