Finding the Fourth Proportional to 151,274,323.70, 226,911,485.55 and 129,750,963.20
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Solution
The fourth proportional to 151,274,323.70, 226,911,485.55 and 129,750,963.20 is: 194,626,444.80
Step by Step Solution
- Step 1: Write the proportion equation
151,274,323.70 : 226,911,485.55 = 129,750,963.20 : x - Step 2: Convert to fraction form
151,274,323.70/226,911,485.55 = 129,750,963.20/x - Step 3: Cross multiply
151,274,323.70x = 226,911,485.55 × 129,750,963.20 - Step 4: Simplify right side
151,274,323.70x = 29,441,983,811,255,384 - Step 5: Solve for x
x = 29,441,983,811,255,384/151,274,323.70 - Step 6: Final answer
x = 194,626,444.80
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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.