Finding the Fourth Proportional to 307,038,135.55, 460,764,431.12 and 120,268,912.07
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Solution
The fourth proportional to 307,038,135.55, 460,764,431.12 and 120,268,912.07 is: 180,484,540.63
Step by Step Solution
- Step 1: Write the proportion equation
307,038,135.55 : 460,764,431.12 = 120,268,912.07 : x - Step 2: Convert to fraction form
307,038,135.55/460,764,431.12 = 120,268,912.07/x - Step 3: Cross multiply
307,038,135.55x = 460,764,431.12 × 120,268,912.07 - Step 4: Simplify right side
307,038,135.55x = 55,415,636,851,354,848 - Step 5: Solve for x
x = 55,415,636,851,354,848/307,038,135.55 - Step 6: Final answer
x = 180,484,540.63
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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.