Finding the Fourth Proportional to 159,605,518.70, 239,214,181.23 and 112,932,451.49
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Solution
The fourth proportional to 159,605,518.70, 239,214,181.23 and 112,932,451.49 is: 169,261,339.68
Step by Step Solution
- Step 1: Write the proportion equation
159,605,518.70 : 239,214,181.23 = 112,932,451.49 : x - Step 2: Convert to fraction form
159,605,518.70/239,214,181.23 = 112,932,451.49/x - Step 3: Cross multiply
159,605,518.70x = 239,214,181.23 × 112,932,451.49 - Step 4: Simplify right side
159,605,518.70x = 27,015,043,916,280,972 - Step 5: Solve for x
x = 27,015,043,916,280,972/159,605,518.70 - Step 6: Final answer
x = 169,261,339.68
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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.