Finding the Fourth Proportional to 151,274,312.20, 226,911,468.30 and 129,750,951.70
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Solution
The fourth proportional to 151,274,312.20, 226,911,468.30 and 129,750,951.70 is: 194,626,427.55
Step by Step Solution
- Step 1: Write the proportion equation
151,274,312.20 : 226,911,468.30 = 129,750,951.70 : x - Step 2: Convert to fraction form
151,274,312.20/226,911,468.30 = 129,750,951.70/x - Step 3: Cross multiply
151,274,312.20x = 226,911,468.30 × 129,750,951.70 - Step 4: Simplify right side
151,274,312.20x = 29,441,978,963,569,384 - Step 5: Solve for x
x = 29,441,978,963,569,384/151,274,312.20 - Step 6: Final answer
x = 194,626,427.55
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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.