Finding the Fourth Proportional to 121,638,932.60, 182,460,265.14 and 40,860,600.44
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Solution
The fourth proportional to 121,638,932.60, 182,460,265.14 and 40,860,600.44 is: 61,291,527.56
Step by Step Solution
- Step 1: Write the proportion equation
121,638,932.60 : 182,460,265.14 = 40,860,600.44 : x - Step 2: Convert to fraction form
121,638,932.60/182,460,265.14 = 40,860,600.44/x - Step 3: Cross multiply
121,638,932.60x = 182,460,265.14 × 40,860,600.44 - Step 4: Simplify right side
121,638,932.60x = 7,455,435,990,062,000 - Step 5: Solve for x
x = 7,455,435,990,062,000/121,638,932.60 - Step 6: Final answer
x = 61,291,527.56
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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.