Finding the Fourth Proportional to 80,723,481.90, 121,101,157.85 and 29,605,943.58
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Solution
The fourth proportional to 80,723,481.90, 121,101,157.85 and 29,605,943.58 is: 44,414,759.65
Step by Step Solution
- Step 1: Write the proportion equation
80,723,481.90 : 121,101,157.85 = 29,605,943.58 : x - Step 2: Convert to fraction form
80,723,481.90/121,101,157.85 = 29,605,943.58/x - Step 3: Cross multiply
80,723,481.90x = 121,101,157.85 × 29,605,943.58 - Step 4: Simplify right side
80,723,481.90x = 3,585,314,046,779,773.50 - Step 5: Solve for x
x = 3,585,314,046,779,773.50/80,723,481.90 - Step 6: Final answer
x = 44,414,759.65
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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.