Finding the Fourth Proportional to 71,427,471.31, 107,115,517.04 and 24,728,276.71
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Solution
The fourth proportional to 71,427,471.31, 107,115,517.04 and 24,728,276.71 is: 37,083,521.18
Step by Step Solution
- Step 1: Write the proportion equation
71,427,471.31 : 107,115,517.04 = 24,728,276.71 : x - Step 2: Convert to fraction form
71,427,471.31/107,115,517.04 = 24,728,276.71/x - Step 3: Cross multiply
71,427,471.31x = 107,115,517.04 × 24,728,276.71 - Step 4: Simplify right side
71,427,471.31x = 2,648,782,145,176,199 - Step 5: Solve for x
x = 2,648,782,145,176,199/71,427,471.31 - Step 6: Final answer
x = 37,083,521.18
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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.