Finding the Fourth Proportional to 83,875,837.80, 125,738,961.30 and 32,745,964.80
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Solution
The fourth proportional to 83,875,837.80, 125,738,961.30 and 32,745,964.80 is: 49,089,746.33
Step by Step Solution
- Step 1: Write the proportion equation
83,875,837.80 : 125,738,961.30 = 32,745,964.80 : x - Step 2: Convert to fraction form
83,875,837.80/125,738,961.30 = 32,745,964.80/x - Step 3: Cross multiply
83,875,837.80x = 125,738,961.30 × 32,745,964.80 - Step 4: Simplify right side
83,875,837.80x = 4,117,443,600,718,362 - Step 5: Solve for x
x = 4,117,443,600,718,362/83,875,837.80 - Step 6: Final answer
x = 49,089,746.33
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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.