Finding the Fourth Proportional to 187,288,078.44, 280,959,035.70 and 57,905,777.64
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Solution
The fourth proportional to 187,288,078.44, 280,959,035.70 and 57,905,777.64 is: 86,866,988.99
Step by Step Solution
- Step 1: Write the proportion equation
187,288,078.44 : 280,959,035.70 = 57,905,777.64 : x - Step 2: Convert to fraction form
187,288,078.44/280,959,035.70 = 57,905,777.64/x - Step 3: Cross multiply
187,288,078.44x = 280,959,035.70 × 57,905,777.64 - Step 4: Simplify right side
187,288,078.44x = 16,269,151,447,193,022 - Step 5: Solve for x
x = 16,269,151,447,193,022/187,288,078.44 - Step 6: Final answer
x = 86,866,988.99
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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.