Finding the Fourth Proportional to 274,023,809.28, 411,015,042.36 and 87,270,204.96
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Solution
The fourth proportional to 274,023,809.28, 411,015,042.36 and 87,270,204.96 is: 130,898,724.03
Step by Step Solution
- Step 1: Write the proportion equation
274,023,809.28 : 411,015,042.36 = 87,270,204.96 : x - Step 2: Convert to fraction form
274,023,809.28/411,015,042.36 = 87,270,204.96/x - Step 3: Cross multiply
274,023,809.28x = 411,015,042.36 × 87,270,204.96 - Step 4: Simplify right side
274,023,809.28x = 35,869,366,988,400,280 - Step 5: Solve for x
x = 35,869,366,988,400,280/274,023,809.28 - Step 6: Final answer
x = 130,898,724.03
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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.