Finding the Fourth Proportional to 48,478,872.45, 72,718,308.68 and 44,014,768.05
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Solution
The fourth proportional to 48,478,872.45, 72,718,308.68 and 44,014,768.05 is: 66,022,152.08
Step by Step Solution
- Step 1: Write the proportion equation
48,478,872.45 : 72,718,308.68 = 44,014,768.05 : x - Step 2: Convert to fraction form
48,478,872.45/72,718,308.68 = 44,014,768.05/x - Step 3: Cross multiply
48,478,872.45x = 72,718,308.68 × 44,014,768.05 - Step 4: Simplify right side
48,478,872.45x = 3,200,679,489,538,502 - Step 5: Solve for x
x = 3,200,679,489,538,502/48,478,872.45 - Step 6: Final answer
x = 66,022,152.08
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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.