Finding the Fourth Proportional to 60,869,327.75, 91,246,837.06 and 20,451,545.99
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Solution
The fourth proportional to 60,869,327.75, 91,246,837.06 and 20,451,545.99 is: 30,658,115.56
Step by Step Solution
- Step 1: Write the proportion equation
60,869,327.75 : 91,246,837.06 = 20,451,545.99 : x - Step 2: Convert to fraction form
60,869,327.75/91,246,837.06 = 20,451,545.99/x - Step 3: Cross multiply
60,869,327.75x = 91,246,837.06 × 20,451,545.99 - Step 4: Simplify right side
60,869,327.75x = 1,866,138,884,016,134.50 - Step 5: Solve for x
x = 1,866,138,884,016,134.50/60,869,327.75 - Step 6: Final answer
x = 30,658,115.56
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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.