Finding the Fourth Proportional to 109,363,911.70, 164,045,867.55 and 44,646,207.70
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Solution
The fourth proportional to 109,363,911.70, 164,045,867.55 and 44,646,207.70 is: 66,969,311.55
Step by Step Solution
- Step 1: Write the proportion equation
109,363,911.70 : 164,045,867.55 = 44,646,207.70 : x - Step 2: Convert to fraction form
109,363,911.70/164,045,867.55 = 44,646,207.70/x - Step 3: Cross multiply
109,363,911.70x = 164,045,867.55 × 44,646,207.70 - Step 4: Simplify right side
109,363,911.70x = 7,324,025,874,963,991 - Step 5: Solve for x
x = 7,324,025,874,963,991/109,363,911.70 - Step 6: Final answer
x = 66,969,311.55
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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.