Finding the Fourth Proportional to 121,660,065.60, 182,530,840.32 and 39,782,719.68
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Solution
The fourth proportional to 121,660,065.60, 182,530,840.32 and 39,782,719.68 is: 59,687,402.09
Step by Step Solution
- Step 1: Write the proportion equation
121,660,065.60 : 182,530,840.32 = 39,782,719.68 : x - Step 2: Convert to fraction form
121,660,065.60/182,530,840.32 = 39,782,719.68/x - Step 3: Cross multiply
121,660,065.60x = 182,530,840.32 × 39,782,719.68 - Step 4: Simplify right side
121,660,065.60x = 7,261,573,253,405,401 - Step 5: Solve for x
x = 7,261,573,253,405,401/121,660,065.60 - Step 6: Final answer
x = 59,687,402.09
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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.