Finding the Fourth Proportional to 74,310,239.70, 111,465,359.55 and 74,310,239.70
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Solution
The fourth proportional to 74,310,239.70, 111,465,359.55 and 74,310,239.70 is: 111,465,359.55
Step by Step Solution
- Step 1: Write the proportion equation
74,310,239.70 : 111,465,359.55 = 74,310,239.70 : x - Step 2: Convert to fraction form
74,310,239.70/111,465,359.55 = 74,310,239.70/x - Step 3: Cross multiply
74,310,239.70x = 111,465,359.55 × 74,310,239.70 - Step 4: Simplify right side
74,310,239.70x = 8,283,017,586,407,184 - Step 5: Solve for x
x = 8,283,017,586,407,184/74,310,239.70 - Step 6: Final answer
x = 111,465,359.55
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1.5x scale
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.