Finding the Fourth Proportional to 167,540,949.18, 251,310,581.78 and 43,043,442.12
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Solution
The fourth proportional to 167,540,949.18, 251,310,581.78 and 43,043,442.12 is: 64,564,946.86
Step by Step Solution
- Step 1: Write the proportion equation
167,540,949.18 : 251,310,581.78 = 43,043,442.12 : x - Step 2: Convert to fraction form
167,540,949.18/251,310,581.78 = 43,043,442.12/x - Step 3: Cross multiply
167,540,949.18x = 251,310,581.78 × 43,043,442.12 - Step 4: Simplify right side
167,540,949.18x = 10,817,272,480,775,738 - Step 5: Solve for x
x = 10,817,272,480,775,738/167,540,949.18 - Step 6: Final answer
x = 64,564,946.86
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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.