Finding the Fourth Proportional to 110,959,991.77, 152,999,480.86 and 82,993,074.99
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Solution
The fourth proportional to 110,959,991.77, 152,999,480.86 and 82,993,074.99 is: 114,436,718.91
Step by Step Solution
- Step 1: Write the proportion equation
110,959,991.77 : 152,999,480.86 = 82,993,074.99 : x - Step 2: Convert to fraction form
110,959,991.77/152,999,480.86 = 82,993,074.99/x - Step 3: Cross multiply
110,959,991.77x = 152,999,480.86 × 82,993,074.99 - Step 4: Simplify right side
110,959,991.77x = 12,697,897,388,445,050 - Step 5: Solve for x
x = 12,697,897,388,445,050/110,959,991.77 - Step 6: Final answer
x = 114,436,718.91
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.