Finding the Fourth Proportional to 80,407,290.12, 120,306,571.08 and 47,635,448.14
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Solution
The fourth proportional to 80,407,290.12, 120,306,571.08 and 47,635,448.14 is: 71,272,858.71
Step by Step Solution
- Step 1: Write the proportion equation
80,407,290.12 : 120,306,571.08 = 47,635,448.14 : x - Step 2: Convert to fraction form
80,407,290.12/120,306,571.08 = 47,635,448.14/x - Step 3: Cross multiply
80,407,290.12x = 120,306,571.08 × 47,635,448.14 - Step 4: Simplify right side
80,407,290.12x = 5,730,857,427,582,564 - Step 5: Solve for x
x = 5,730,857,427,582,564/80,407,290.12 - Step 6: Final answer
x = 71,272,858.71
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.