Finding the Fourth Proportional to 124,919,026.04, 172,393,644.12 and 69,164,446.70
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Solution
The fourth proportional to 124,919,026.04, 172,393,644.12 and 69,164,446.70 is: 95,449,919.75
Step by Step Solution
- Step 1: Write the proportion equation
124,919,026.04 : 172,393,644.12 = 69,164,446.70 : x - Step 2: Convert to fraction form
124,919,026.04/172,393,644.12 = 69,164,446.70/x - Step 3: Cross multiply
124,919,026.04x = 172,393,644.12 × 69,164,446.70 - Step 4: Simplify right side
124,919,026.04x = 11,923,511,010,156,510 - Step 5: Solve for x
x = 11,923,511,010,156,510/124,919,026.04 - Step 6: Final answer
x = 95,449,919.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.