Finding the Fourth Proportional to 194,256,886.17, 268,089,787.58 and 110,628,556.05
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Solution
The fourth proportional to 194,256,886.17, 268,089,787.58 and 110,628,556.05 is: 152,676,111.90
Step by Step Solution
- Step 1: Write the proportion equation
194,256,886.17 : 268,089,787.58 = 110,628,556.05 : x - Step 2: Convert to fraction form
194,256,886.17/268,089,787.58 = 110,628,556.05/x - Step 3: Cross multiply
194,256,886.17x = 268,089,787.58 × 110,628,556.05 - Step 4: Simplify right side
194,256,886.17x = 29,658,386,091,173,480 - Step 5: Solve for x
x = 29,658,386,091,173,480/194,256,886.17 - Step 6: Final answer
x = 152,676,111.90
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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.