Finding the Fourth Proportional to 265,745,205.70, 398,617,808.55 and 74,268,981.70
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Solution
The fourth proportional to 265,745,205.70, 398,617,808.55 and 74,268,981.70 is: 111,403,472.55
Step by Step Solution
- Step 1: Write the proportion equation
265,745,205.70 : 398,617,808.55 = 74,268,981.70 : x - Step 2: Convert to fraction form
265,745,205.70/398,617,808.55 = 74,268,981.70/x - Step 3: Cross multiply
265,745,205.70x = 398,617,808.55 × 74,268,981.70 - Step 4: Simplify right side
265,745,205.70x = 29,604,938,728,494,056 - Step 5: Solve for x
x = 29,604,938,728,494,056/265,745,205.70 - Step 6: Final answer
x = 111,403,472.55
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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.