Finding the Fourth Proportional to 122,350,851.20, 183,526,276.80 and 67,931,292.80
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Solution
The fourth proportional to 122,350,851.20, 183,526,276.80 and 67,931,292.80 is: 101,896,939.20
Step by Step Solution
- Step 1: Write the proportion equation
122,350,851.20 : 183,526,276.80 = 67,931,292.80 : x - Step 2: Convert to fraction form
122,350,851.20/183,526,276.80 = 67,931,292.80/x - Step 3: Cross multiply
122,350,851.20x = 183,526,276.80 × 67,931,292.80 - Step 4: Simplify right side
122,350,851.20x = 12,467,177,245,794,648 - Step 5: Solve for x
x = 12,467,177,245,794,648/122,350,851.20 - Step 6: Final answer
x = 101,896,939.20
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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.